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Wont Start Diagnostics - Cranks But Won't Start 

The Car Doctor
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In this video we discuss common no start diagnostic strategies. The subject vehicle is a 2000 Chevy K2500 Pickup with a 5.7L vortec engine. After these repairs were completed the customer drove less than 50 miles before the vehicle lost power and died. Can you guess the possible cause of the second no start condition? Watch part 2 of this saga here: • Engine Cranks But Won'...
If you have helpful tips to add please comment below. Thanks for tuning in to The Car Doctor Channel! Please subscribe for more money saving tips to help keep you on the road!

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29 сен 2024

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Комментарии : 942   
@tctennessee7360
@tctennessee7360 7 лет назад
Another informative one for us diyers. I lived in Fairbanks in the early 80's for a few years, that cold winter air does some strange things to a auto !
@ThecardoctorTV
@ThecardoctorTV 7 лет назад
Indeed. Sure gets cold in Fairbanks. Will be traveling there next month for the restart of the Iditarod sled dog race.
@RaoulThomas007
@RaoulThomas007 3 года назад
It does that to people too!
@mirokefurt4740
@mirokefurt4740 5 лет назад
Had the same problem on GM van with 5.7L, the center of the cap was not even there and the rotor contact was also gone !!! It started now and then and ran completely fine, and other time just crank and no start, so it was quite confusing, but turned out to be the rotor/cap - thanks !!!
@ThecardoctorTV
@ThecardoctorTV 5 лет назад
Very good! Worst distributor design ever. Glad you got her back on the road. Blessings
@raybrensike42
@raybrensike42 7 лет назад
Be sure to check your spark plugs. If they wear out to .055 " or so, the spark might not jump. I got burned for $1500.00 by a garage which also had a towing service, and they didn't even fix the problem. Sometimes it would start and run, and then it would stall in traffic. Moral of the story, Try to keep it out of garages, and check your plugs. When you get older a few years can turn into a decade and you might not even notice it. Plugs don't last forever. They often get neglected. Don't let it happen to you.
@ThecardoctorTV
@ThecardoctorTV 5 лет назад
Good advice!
@williambrady5864
@williambrady5864 4 года назад
Plug gap is .60!!
@logancannon6574
@logancannon6574 2 года назад
I really enjoyed your video. I miss the old school engines , got a 05 hemi jeep that doesn't want to start wish it was that simple
@bubgriz
@bubgriz 4 года назад
Gray video it's very helpful I've been having an issue and have no spark I'm going to switch out the cap and rotor I have done everything else as far as even crank sensor and now I think I have to do a re learn is there a way to do it without a scan tool
@crystal7033
@crystal7033 4 года назад
Removal of the radio will that cause more problems
@jerrybishop2115
@jerrybishop2115 6 лет назад
hey thank you for sharing this,, I was led almost to think my spider injectors were bad,, I checked fire and fuel from top to bottom and couldn't figure out why my blazer wouldn't start!!,, so I bought all new wire n plugs which it needs anyways but I thought that has to be the problem but HOWEVER I watched your video and thought well it's worth a shot and man oh man if it wasn't the dam rotor!!!!,, I took off the old one and out the new one on and held my breathe turning the key!!!,,, and SHAZAMM!!! IT FIRED RIGHT UP!!!,, thanks again for sharing because it sure saved me a lot of money!!!🍺👍👍👍👍
@ThecardoctorTV
@ThecardoctorTV 5 лет назад
Excellent, super glad it was helpful!
@saulcalixto6310
@saulcalixto6310 4 года назад
God I hope that's what's wrong with mine.
@rosegriegorian6778
@rosegriegorian6778 6 лет назад
Hello Robert wood My problem was a coroded wire in the main Harness The red wire that goes to altenator to the computer not the big red one on the altenator A guy at GMC took his time to find it Fixed amazing Then they fired him ??? Anyway all along it was that wire not mouse eaten After 800 dollars in parts it was that wire Thanks Man what a nightmare that was
@wyattoneable
@wyattoneable 8 лет назад
I'm paying attention. I have a 5.7 in my 1998 Chevy truck. Great explanation about the distributor cap. Did this failure set any codes?
@ThecardoctorTV
@ThecardoctorTV 8 лет назад
+wyattoneable I don't think it set a code. They can cause misfire codes but in this case it was more of a sudden failure. Watch for extended cranking or when it seems like it's flooded before it finally starts. That may be a sign of pending failure of he distributor cap and rotor. Take it easy.
@ranahamayun9919
@ranahamayun9919 4 года назад
You doing very good job 👍👍👍 Nice video 👌👌👌 You teaching very good teacher 👌 👌👌
@dannav1635
@dannav1635 7 лет назад
had that problem in my 89 k5 blazer, put a new fuel pump didn't solve problem change the distr cap cranked rite up. could use a good mech like you in Los Angeles !
@ThecardoctorTV
@ThecardoctorTV 7 лет назад
Hey you need to move to Alaska and I can be your mechanic! Thanks for dropping by
@rickyrudd28texacohavolinef2
@rickyrudd28texacohavolinef2 6 лет назад
Blame it all on that L.A. haze. Just like the Jimmy Buffet song, 'Come Monday'. It'll be alright‼️
@chigaming347
@chigaming347 5 месяцев назад
I have a 1990 chevy k2500 that has no spark at the coil or the distributor so was wondering what I could do
@joseburgos5106
@joseburgos5106 3 года назад
Checking on that tomorrow...
@elpanchito5978
@elpanchito5978 6 лет назад
At least you Tried Brother!
@sitboxandtattoos6674
@sitboxandtattoos6674 4 года назад
I have a 98 z71 I put in a new 350 from jegs not it wont get fire I was getting a crank sensor code so I put on a new one and still no fire we changed the coil, model, and distributor still no spark we checked all wires and fuses still no fire .. can you help and it's not in security mode
@christophersmuzquiz6514
@christophersmuzquiz6514 7 лет назад
JUST WHAT TO TELL THE GUYS THAT HAVE TROBLE WITH THE CRANK BUT WONT START I LOK ON LINE FOR SO IF ANY ONE HAD ANY IDEA WELL THE BEST I FOUND WAS SOME ONE SUGGESTED THE BATTERY WELL THATS WHAT I DID AND THAT TOOK CREA OFF MY PROBLEM HOPE IT WORKS FOR YOU GUYS
@jaimegonszalez8166
@jaimegonszalez8166 7 лет назад
my alternator cable burn out i fix it but now the truck wont star any recomendation will help me thanks
@ThecardoctorTV
@ThecardoctorTV 7 лет назад
Does it crank?
@imagetyou6813
@imagetyou6813 6 лет назад
I'm having the engine light come on and stability. Some days it's on and others it's not. Then the rpm Gage stops working then works. The truck drives fine then like it sputters and hesitant to go at start up. It wil die . Sometime it will crack up other times it won't. I have a 2011 Chevy avalanche 5.7 anyone heard of this ? Please help
@shaggydog8938
@shaggydog8938 3 года назад
This video could have been 3 minutes long. Wow
@carlottaholland9980
@carlottaholland9980 3 года назад
What have you done lately to help anyone out? No one forced you to hang out here for 13 minutes. Are you a whiner, a wiener, or both?
@williamarden5441
@williamarden5441 2 года назад
Troll
@alberthindman3692
@alberthindman3692 8 лет назад
it has compression and fuel just no spark
@ThecardoctorTV
@ThecardoctorTV 8 лет назад
Ignition coil. Cap. Rotor. Module. Crank sensor.
@shelbycobra1401
@shelbycobra1401 7 лет назад
I had a 96 Chevy 1500 truck 4x4 5.7 V-8... crank no start it would kind of shudder or slightly start but not run smooth then just crank but would not start. Replaced the cap and rotor along with ignition coil pack and it started right up and runs great now. I didn't just throw parts at it though i did about 2 hours of checking fuel pump, fuel relay, pressure at fuel rail and it all checked out. Next tested spark it was there but faint or weak not much flash in my tool tester. Pulled the cap and rotor and had a burn hole in the rotor so I knew I was on the right track. Replaced ignition coil and cap and rotor and its fixed. Hope this helps someone with my symptoms!!
@davekauffman8727
@davekauffman8727 6 лет назад
I love old-school cars, they are so much easier to diagnose issues on. Excellent job on finding the rotor problem.
@cookingwithtera6308
@cookingwithtera6308 5 лет назад
What was the problem?
@EATSLEEPFARM
@EATSLEEPFARM 3 года назад
This video will age very well!! Good stuff here. There’s TONS of these trucks still out there(I own a 2 door Tahoe with 5.7)so I’m sure this has and will continue to help a lot of people.👍
@travisaltman7287
@travisaltman7287 7 лет назад
Your a good person with proper values. I hope you do well in all things. Continue helping people, you are changing the world in the best way a single person can. 2 thumbs up on the video! I'm headed to store now to get that plug tester. I usually hold wire over spark plug and get hit sometimes lol. Take care! I learned about that tool this video.
@ThecardoctorTV
@ThecardoctorTV 7 лет назад
Thank you so much. Blessings!
@santiagodelgado4518
@santiagodelgado4518 2 года назад
Thanks sr god bless you it help mi so mach✋
@ronaldmossjr7250
@ronaldmossjr7250 Год назад
j
@johnnypena1083
@johnnypena1083 5 лет назад
I had the same exact problem. 4.3 vortex. There are two little vents on the distributor that I drilled out to kept moisture form causing a no start on rainy days.
@CMounsieur
@CMounsieur 4 года назад
?? Are you getting M O R E moisture by doing that ? mine wont start on HUMID days
@garyoldham4449
@garyoldham4449 3 года назад
I had a 99 Chevy Astro I believe it was a 4.3 vortex and there wasn't a recall on the distributor but there was a paper out on it suggesting replacing the distributor because the moisture vents were too small and would get plugged up. The replacement part had larger vents.
@johnnypena1083
@johnnypena1083 3 года назад
@@CMounsieur no it was starting better for me.
@jsites1956
@jsites1956 4 года назад
First time i seen one of your videos good stuff loved the way you presented the task. Very humble guy . Great to watch a video that was not only insightful but enjoyable to watch. Thanks again.
@jody333x333
@jody333x333 7 лет назад
BEST PROCEDURE IVE SEEN SO FAR, Do you have a video on going to the next step if it ISN'T the cap and rotor?
@816raza
@816raza 4 года назад
I replace my cap an rotor an started up when i had the same issue. I also replaced the fuel filter it was nasty. Or try ur fuel pump
@philp.3978
@philp.3978 7 лет назад
Another great video. I love the simple to understand instructions you provide for people. Easy and clear. Your a good guy. Thanks.
@ThecardoctorTV
@ThecardoctorTV 7 лет назад
I really appreciate that. Blessings!
@unclemarksdiyauto
@unclemarksdiyauto 4 года назад
Thanks for sharing the knowledge! We all can learn from each other.
@ThecardoctorTV
@ThecardoctorTV 3 года назад
Thank you
@ricardotrujillo5106
@ricardotrujillo5106 3 года назад
First times watching your videos, nice and clear, well explained and your great to explain. Keep on doing the good work. God bless you and your family and business. Would like to ask you, what scanner would you recommend me to get for a 2013 Tacoma with a V6 and automatic transmission. Thanks, blessings.
@sigmatricky8582
@sigmatricky8582 4 года назад
I have the same motor in my truck. I get a crank but no start when there is moisture in the air or has been raining. It's the only time it does it. I used wire dry & it cured it for a little while. I think it could be the same problem..Your thoughts please... Nice video...
@ThecardoctorTV
@ThecardoctorTV 4 года назад
Yep! Give it a try. Good luck.
@OnDaBus08
@OnDaBus08 3 года назад
Great video! $35 for parts and I'm back on the road! It feels good to diagnose and buy parts with confidence that they are the parts you actually need!
@ThecardoctorTV
@ThecardoctorTV 3 года назад
You get OE cap and rotor for that price?
@mikeb7887
@mikeb7887 3 года назад
Thinking the same on price, OEM is like $60 to $80 depending on how fast you want to get it just for a cap and rotor. Mike B
@raduvladcg4218
@raduvladcg4218 4 года назад
Good video. Should have cranked engine to show what it did prior to replacing cap and rotor....for people that may not know exactly the sound it makes.
@andycagle8781
@andycagle8781 4 года назад
I have one of those trucks.. Typical chevy junk...replace every sensor on it yearly.. it might make it ten months.. can't even count the rotor caps and cam sensors iv put on it... And it dosnt matter what brand of part Eather.. worth the money for life time warrenty parts.. Your gonna need em..use standerd brand parts.. Bwd is junk.. iv threw away plenty of em..
@DanWebster
@DanWebster 7 лет назад
Dang Why caint I have easy repairs like this Jiminy. Thank you for posting always enjoy watching.
@ThecardoctorTV
@ThecardoctorTV 7 лет назад
I got lucky this time. Thanks for watching.
@DanWebster
@DanWebster 3 года назад
@@ThecardoctorTV I have this same truck same engine wont start right now. Once again I thank you
@GalaxieMarauder
@GalaxieMarauder 8 лет назад
if....you break the distributor body tabs for the cap(since they are plastico) Dorman sells a kit to mount under the holes for $20.....OR you can do what I did. I crossed two zip ties in an X over and under the cap to keep it firmly affixed when Im driving.
@ThecardoctorTV
@ThecardoctorTV 8 лет назад
Nice fix! I just buy the complete new distributors aftermarket. Under $150 but I would consider this fix on roadside no-start or remote area. Thanks for sharing.
@GalaxieMarauder
@GalaxieMarauder 8 лет назад
+The Car Doctor yea for a customer repair sure replace it. but on my 15 year old car with 213,000 miles??? no way.
@ThecardoctorTV
@ThecardoctorTV 8 лет назад
Don't tell anyone but I use zip ties for lots of stuff.
@GalaxieMarauder
@GalaxieMarauder 8 лет назад
+The Car Doctor me too. replace the ignition coil on the Chevy Vortec with an aftermarket coil. The OEM coil is riveted to the mounting bracket. Shoot, I used zipties to affix the new coil to the mounting bracket and since I lost the 5.5mm screws for the ignition control module I had to use ties to secure that too.
@ThecardoctorTV
@ThecardoctorTV 8 лет назад
Cops use them for hand cuffs.
@THEMOWERMEDIC1
@THEMOWERMEDIC1 5 лет назад
Had the same prob on my 02 Chevy blazer 4.3. Dang caps don't last unless it's a delco
@ronaldcarson4360
@ronaldcarson4360 5 лет назад
Same with my 97 S-10. AC/Delco for fuel pump too. Two cheap ones only lasted three months each.
@unimpeachable4247
@unimpeachable4247 4 года назад
Valuable to me thanks owner 97 GMC 4.3 SLT VERY common / luv my jimmy
@stuzman52
@stuzman52 8 лет назад
Hey Tim, very nice step-by-step and great explanation with the no start issue. Looks like it was pretty cloudy up there in Alaska. I saw from one of your comments that it's still pretty cold up there. Take care and have a good one!
@ThecardoctorTV
@ThecardoctorTV 8 лет назад
+stuzman52 Yes, still waiting for summer to arrive. Can't wait to get out and do some fishing. Take care.
@zx8401ztv
@zx8401ztv 8 лет назад
I have never seen such an interesting dizzy cap like that before, i suspect it was the companys plumber that created it :-D. Thankyou for your video :-D
@ThecardoctorTV
@ThecardoctorTV 8 лет назад
+zx8401ztv Haha. Yes I think you might be on to something. Thanks for watching.
@worshipwhilewewait
@worshipwhilewewait 3 года назад
Start by diagnosing the simplest first. Spark plugs - found #3 in my V6 w/a vertical crack. Replaced the entire set w/iridium equivalent and wow - HUGE difference in how they spark. I've always believed especially for my engine (V6 4.3 vortec) that the original plugs are going to be the best bet and usually that's true. GM experience of 40+ yrs says ALWAYS go with AC Delco with the ignition system. Knockoffs fail 90% of the time because of crossfire issues. BWD ARE pretty good - get the gold wire ones ALWAYS. AND DONT FORGET TO REMOVE THE FILTER SCREEN IN THE BOTTOM OF THE DISTRIBUTOR. Lack of airflow causes a LOT of times moisture issues creating all that garbage on the posts. Much better to replace than clean because the issues keep coming back. HEY GREAT JOB DUDE! Tks!
@Truckerstar
@Truckerstar 3 года назад
Thank you for making these videos . I’m always trying to learn new things and your videos are great .👍🇺🇸
@jerryshenk1030
@jerryshenk1030 5 лет назад
Helpful video. Thanks. That spark tester is great...solved another problem i was having. Never heard of that tool. I proved that i do have spark. Set up my phone to video while I hit the key to turn it over. Looked good on 2 cylynders but still didnt start. Took the air handler off and sprayed a little starter fluid...still didn't even fire. That doesn't make sense to me.
@pattyleal9289
@pattyleal9289 6 лет назад
Great video. Extremely informative and easy to understand. How do i keep distributor from getting wet? Have had to change out rotor and cap 3x in past year bcz after it rains i hv stalling issues. Its due to rain soon in SA ,TX...
@limbslapperone8810
@limbslapperone8810 4 года назад
drill 2 small holes in the back of the distributor..be careful not to drill through any wire port. if you are curious about it...reply back.
@waltercardenas7354
@waltercardenas7354 Год назад
Best video on the 5.7 chevy.
@abrahamestrada2206
@abrahamestrada2206 5 лет назад
Going on a trip to Mexico, you solved one of 4 things I need to fix. Thank you good sir
@ThecardoctorTV
@ThecardoctorTV 5 лет назад
Glad to help. Hola
@joelzubiate9352
@joelzubiate9352 2 года назад
This is an awesome video it help me resolve an issue with my 93 Camaro with the lt1
@philward7130
@philward7130 4 года назад
I always enjoy your videos. Someday, if you haven't already done it, I would like to see you diagnose the ignition control module on a silverado.
@RaoulThomas007
@RaoulThomas007 3 года назад
That would be a great video.
@angelawainio7168
@angelawainio7168 6 лет назад
I really having problems please give me advise ,I have a 1992;ext cab 4/4 Silverado, 454 2500, Ok I was driving on freeway made a noise and motor stopped,all electrical was still working it cranked but wasn’t really turning over ,you know what I’m trying to say I hope,anyways, I started working on it I replaced,the distributor module,plugs,wires,cap, and rotor, it sounds like it wants to start, it turns over and makes not loud but puff noice please tell what to next
@robertmedina6875
@robertmedina6875 4 года назад
Liked ♡
@Kaibil66
@Kaibil66 3 года назад
Great video, very professionally done. Ill check my 97 Astro for the same issue hopefully. Thank you for uploading this tutorial.
@MatthewRyan101
@MatthewRyan101 5 лет назад
I have 1996 Chevy Silverado 5.7 will not start I have change the cap and rotor the crank sensor in the cam sensor and the plugs. And also have a new fuel pump in it and have fuel pressure in a new fuel filter. It will not start still
@lesglover6515
@lesglover6515 5 лет назад
Did you check it for spark? It sounds like a spark issue if you got fuel. It's easy to run down the system once you know what's not operating.
@MatthewRyan101
@MatthewRyan101 5 лет назад
@@lesglover6515 yes I do have spark
@MatthewRyan101
@MatthewRyan101 5 лет назад
are y'all needed to run but number 5 and number 7 is misfiring and I still have spark in both of you change out the spark plug from 1 to 7 change 7 to 8 wire .
@luvstruck2733
@luvstruck2733 5 лет назад
Module?
@MatthewRyan101
@MatthewRyan101 5 лет назад
@@luvstruck2733 I changed out the spider injectors.
@wmcwmc8623
@wmcwmc8623 5 лет назад
Love you're videos, keep up the great work and thank you for what you do!
@ThecardoctorTV
@ThecardoctorTV 5 лет назад
Thank you so much for watching!
@derrickodyes1934
@derrickodyes1934 6 лет назад
ya bwd is broken when delivered always put gm ignition parts in
@tyrelbucknell
@tyrelbucknell 7 лет назад
thank you for the video, I had the exact same problem with my truck and this helped a lot
@ThecardoctorTV
@ThecardoctorTV 7 лет назад
Glad it helped. Thanks for dropping by!
@816raza
@816raza 4 года назад
Did it fix the problem?
@pistolpete5026
@pistolpete5026 5 лет назад
Great help .... my truck (1998' 5.7L/Silverado 4X4) just quit after a Longggg trip (approx, 1000 miles) up to Northern Arizona to Flagstaff then off to Page, Az, & the border of Utah, to do some kayaking on Lake Powell ... Any whoooo ---- got ALL the way back home w/no problems; Yet, park the truck in the driveway - at the house & it NEVER started again !! Just cranks & cranks & cranks w/o starting; Yet, didn't have ANY trouble through-out the WHOLE trip !! I was VERY confused about what just happened... Now I've got somewhere to start - thanks to your video !!
@oibal60
@oibal60 7 лет назад
Good job! Between you, Scotty Kilmer & ScannerDanner, my life is complete!
@shelbycobra1401
@shelbycobra1401 7 лет назад
Also when replacing the coil pack it has two pins pressed in to hold it to the bracket instead of drilling I used two good punches and was able to punch the pins right out in one or two minutes instead of drilling it out. I spray it with PB Blaster or WD-40 and then start the punch and give it another quick spray half way through and the pins will just start to fall apart and it'll come right out of the bracket. I did have a drill ready if I needed it but the punch and a hammer did the trick. Just a tip to anyone looking for ways to get those "rivet pins" out. Good Luck.
@Twolf125
@Twolf125 8 лет назад
Forgot too tell you... you have some of the best videos on the tube.. keep up the great work man.
@ThecardoctorTV
@ThecardoctorTV 8 лет назад
+Twolf125 Thanks, I really appreciate that.
@512texas
@512texas 4 года назад
I can't get my car to start at all it cranks but will not start I put in new plugs
@rickywhite3737
@rickywhite3737 4 года назад
Crank position sensor
@MuhammadAli-su3oo
@MuhammadAli-su3oo 8 лет назад
My practicals are ongoing, yesterday my Teacher created an error in the car and said to me Start the Engine. It was cranking but no start. I found a problem the that Fuel isn't coming by touching the fuel lines near to Fuel-Injectors (it was silent). If 3 systems are fine; Starting System, Ignition System, Fuel System ; Engine must be start? today i was discussing with my classmate and he told me that in new Cars ECT (Engine Coolant Temperature) Sensor must be OK for Starting the Engine. I do ask you for more better understanding, i LOVE how you work, im very inspired. Thanks Car Dr :)
@ThecardoctorTV
@ThecardoctorTV 8 лет назад
Sounds like you are learning a lot of great stuff. Also seems like you have a natural inclination of mechanical ability. Some people probably shouldn't be a mechanic since they lack a natural knack to figure out how things work and when they are broken how to fix them. They can't teach you that part in school. Good job!
@MuhammadAli-su3oo
@MuhammadAli-su3oo 8 лет назад
Thanks so much Car Dr :)
@chiefeaglebear2320
@chiefeaglebear2320 8 лет назад
Yes sir the ECT is called a critical input more than one system needs that info to work correctly it is a thermistor and a lot of the time I think the car will crank no start without that input so nothing burns up
@1-shotslinger108
@1-shotslinger108 8 лет назад
You need three things to make an engine run . Spark [ somewhat properly timed spark] Fuel . Compression. No compression .no start.
@MrBlzman
@MrBlzman 7 лет назад
Muhammad Ali
@scooterdog29
@scooterdog29 6 лет назад
I had a chevy 350. But same theory, as a rotor and cap are basically the same on vehicles. The rotor had burnt out. Now, you could not see that. When tested with ohms meter, it seemed fine, but I moved the tang a little, and low and behold, no connection. Simple check for rotor. Testing any cap with an ohms meter is good practice too. I graduated WYO Tech years back. It's always smart to test before you replace thing. As I was taught, a mechanic replaces parts driving up costs hoping to solve the problem, a true tech will test, know the problem before replacing anything. Love these vids guys!!
@mirokefurt4740
@mirokefurt4740 5 лет назад
The correct Fuel Pressure is 55 to 60 PSI, and while the system hold fuel it does not hold pressure, that is gone few seconds after the engine is turned OFF, however to should build up in 2 to 3 seconds after you turn the key on, it is better to wait about 2 to 3 seconds before you turn the ignition key from ON to START, if you do so the engine will start on just 1/4 crank rather than 2 or 3 if you do not wait. The fuel prime works for less than 6 seconds (during key ON). If fuel filter is "clogged" then the engine will miss under full load (almost feels like misfire due to plugs but it is due to luck of enough fuel). Even with clogged filter the fuel pressure can be 60 PSI at idle, but on acceleration under load can drop to below 36 which is what the injectors need to operate. Wasted lot of time changing spark plugs, when it turned out to be fuel filter, long time ago - like 100K miles.
@edwardkane3237
@edwardkane3237 5 месяцев назад
I’ve lived it with two older GM’s I own, a 2000 Express van and a 1999 K2500. When they get wet and won’t start 9 times out of 10 it’s that poorly engineered distributor cap. I always keep a spare cap and rotor on hand.
@nasseral-sakran522
@nasseral-sakran522 4 года назад
Thank you so much car doctor. I have the same problem in my Chevy van 1999, it's crank but won't start. I thought it is a fuel pump problem but was not. After watching your video I did the same thing that you did then I changed the distributor cap and started well. So, accept my great thanks to you. Nasser Saudi Arabia
@shaanbrown2456
@shaanbrown2456 6 лет назад
Man you are very helpful sir God bless you....my 1999 Chevy suburban is doing exactly what u described in this video. Thank you
@ethan-py9he
@ethan-py9he 7 месяцев назад
1995 c1500, 4.3l vortec. my truck turned over yesterday but I noticed it took a little longer than usual, but idled just fine. I tried this morning and cranked but no start, i have replaced the plugs and plug wires and new battery. My next step is what you said in the video. But anything else you might think could be a problem?
@justaguypassingthrough4188
@justaguypassingthrough4188 7 лет назад
having the same problem with my 4.3L GMC. thanks for the great informative video!
@ThecardoctorTV
@ThecardoctorTV 7 лет назад
Sure. let us know what you come up with
@deveesee1
@deveesee1 13 дней назад
my truck was running i was driving and it just stopped and now wont start i had to tow it home what would you sayis the cause i was low on fuel but after filling the tank it still wont start it turn over
@GANJA547
@GANJA547 7 лет назад
I have a 2003 chevy Silverado v6 it ran when I parked acted normal got in it today cranks. It won't start very odd can you help I'm thinking spark it's been really wet and humid out I can't get the air breather wing not to turn any suggestions please help
@ThecardoctorTV
@ThecardoctorTV 7 лет назад
Have you checked fuel pressure?
@skytanner7355
@skytanner7355 7 лет назад
Have you checked your passlock sensor in the ignition? another question is does it seem to be weather related ice cold or wet humid Bring It On
@montneymon-ta-knee6810
@montneymon-ta-knee6810 6 лет назад
try distributor cap
@creel-starr
@creel-starr 6 лет назад
Tee Dee I have trouble starting after rain
@jakedoe560
@jakedoe560 5 лет назад
Spray it with PB Blaster n let it soak... pretty simple... 🤨
@mattporto4530
@mattporto4530 2 месяца назад
Nice vid. I’m having almost the same issue, but I’m not getting spark at the ignition coil cable. What would be the problem?
@rickycotton9166
@rickycotton9166 5 лет назад
I have a 97 Chevrolet extended cab 5.7 new timing chain new distributor you destroy the cap rotor I have spark it still won't crank will the crank sensor stop it from cranking still
@EXOVCDS
@EXOVCDS 8 лет назад
My version of working outside is pushing the car inside. :)
@ThecardoctorTV
@ThecardoctorTV 8 лет назад
+Thomas EXOVCDS as soon as the mosquitoes come out I'll be pushing them in as well...very fast. Before they drain my blood completely.
@AntoniaMartinez-tv6du
@AntoniaMartinez-tv6du 6 лет назад
Thomas EXOVCDS pedroinfante
@jerrywinters4990
@jerrywinters4990 6 лет назад
Thomas EXOVCDS B.B.
@soccer2549
@soccer2549 Год назад
Hey I have a same issue with my land rover 2006 supercharged and it just cranks but won't start, changed all plugs, coils and pressure from the fuel pump was also checked, nothing seems to have worked. Just cranks, will check the distributor and see if that's the problem. Thanks, but if you have an idea what's the problem hmu.
@hotsauce7362
@hotsauce7362 7 лет назад
What if I sprayed starting fluid and the engine starts for a second and then it shuts off? Can it it be electrical??? Do an engine need electricity to keep it running???
@PIANOSTYLE100
@PIANOSTYLE100 7 лет назад
Hot Sauce when you hit read more., It will be about a thousand words.. so don't skip over it , I am fairly though. It is worth reading. You didn't not mention make and model of your car. I am referring to my 1999 Ford expedition. I am not an expert but I've had to read up on 1999 Ford Expedition. I'm also a former TV tech. First, safety. I am texting a book. Do not do anything unsafe . There are many people that are doing things on the net that do things unsafe. Read your cars owner manual. Use a Haynes or similar manual These are some possible scenarios and some thoughts. The first answer is: yes , you always have to have dc supply volts for the car to run.. do I think it is electrical.. no. Remember, I'm guessing. When you spray the ether in it, it is burning it quickly and running out of fuel. I'm not sure .. it's possible for it to be a shutdown circuit, but don't think the car has a shutdown circuit for when it is bypassed with ether.. I think you elimated spark with the ether test just guessing.. Btw the Chilton's manual on the car has a good rundown on it . Reply and I'll help you research this properly. I own all three manuals including Haynes. Where I would think your problem is , is fuel. I suspect that there is no fuel on the fuel line.. on my Ford I have a Schrader valve that can put a gauge on.. you can buy or rent gauges at some Auto stores like Auto zone.. I think you should be looking for 25 pounds of pressure.. I would suspect any thing would make the car sputter and try to start. Also carry a napkin..some say cloth, but cloth can get stuck in that dangerous engine. Put it under the Schrader valve and use a small screwdriver or small punch and push the valve in, and gas will come out.. keep the car off for this test.. if you think something is dangerous don't do it Look up Schrader's Valve on you tube. Also realize there are people that don't know what they are doing. I have seen things that I know on the right circumstances could be lethal. Btw I would go and get a noid tester kit , make sure you have descent digital voltmeter .. don't use the non digital type. Don't use the free ones either, If you use an analog acldc voltmeter and accidentally have it set for resistance/ohms and touch a DC or 12 volts, it is trash. You can get a real descent digital voltmeter meter or dvm , at Harbor Freight for about 12 bucks. Now something is causing that fuel to not be there if it's found not to be there. First guess, dc 12 volts not getting to fuel pump.. You can do a quick test, it's not perfect. On my Ford 1999 Expedition, I can have somebody put the key on accessory.. don't try to start it. Now listen to the fuel pump ,, you can also hear it in the driver's seat.. also you should be able to stand several feet away from the fill point and hear the whirl of the fuel pump working.. it will just go for a second or so. If you don't have that.. remember I'm just guessing, you either have no voltage getting to the fuel pump or a bad pump.. and I guess you could have a short.. so let's pursue that . get your owner's manual out.. find out where the fuel pump fuse is.. check for voltage my car should have 12 volts there. If it's is blown fuse.. (oh yes.. use a good test light.sometimes what looks like voltage present could be very decieving,. Invest or rent the right tools. I can explain all this later. I'm texting this.) Well assume if it can light up a test light that it has enough amperage to run the fuel pump control circuit and pump.. btw the actual pump is a little tiny thing in my car.. about three inches.. just thought of this , the check valve goes bad on these assemblies.. get in your car, make sure everything is together. Turn your key to accessory and count to three, 1 2 3. Repeat about 4 times with a couple seconds rest. Listening closely you will hear the fuel pump working. Now start the engine, make sure everything is off of engine clothes, screwdrivers,ect. Now start the car. If it cranks.. my first guess is that the fuel pump has a bad check valve.. it's time to get another fuel pump.. Also your fuel filter should be changed every year or so, it's in your owner's manual. It only takes a few minutes, but is tricky. I recommend getting an estimate on this, after you get it running.. when they go bad they are hard to blow through.. also they can go different ways.. if you decide to do that yourself, make sure you put it in right, should come with instructions.. ok back to troubleshooting.. it's a little unsafe to get under the car.. you have to have good Jack's ect. I do it, but I try to work with the car on the ground. If possible when working on car I try to have my cell phone on and set for 911.. I really suggest limiting under car activity.. but I do it all the time.. you should know your limitations. Suggest having a good mechanic friend help you.... if you don't see the 12 volts going to the fuel pump control, or pump assembly, that's your immediate problem.. Now a lot of cars have a inertia shut off switch.. it is there to cut power to the fuel pump.. in case of an accident. it stops cars from blowing up.. don't ever bypass this.. also btw.on that subject bypassing things can blow out thousands of dollars..don't do it unless you know the circuitry ..I know electronics and have blown whole circuit boards up. Do not try to bypass something.. as a n electronic tech , I did it all the time.. but I knew what was doing.. enough of that. Now let's go back to the fuel pump power supply.. There are relays that go bad.. They would take a long time to tell you about them. I don't know if this will get to you , but I hope this helps. Also some models of my expedition were made with non replaceable relays.. they are soldered in..my guess is that Ford found some valid reasons for doing that.. sometimes for safety and reliability. These boards are 300 or so and often don't fix it. This is part of why bills are upwards of a thousand.. But all said I think you can fix this yourself, with proper tools ect.. There is a fuel pump control module that goes bad on 2002 or so models, it corrodes and falls apart .loses the ground and basically disintegrates, especially on salt roads. It is according to you tube, back the rear bumper. All this info is for my 1999 or so expedition.. get the exact info for your car. I've got work on mine today..
@rexanderson5458
@rexanderson5458 6 лет назад
Hot Sauce Yes! Check the codes using a Actron 9690 code tester. It works from 1983-2013 and is updatable. It has code connect to diagnose codes.
@budford183
@budford183 5 лет назад
fuel pump
@itsok865
@itsok865 5 лет назад
@@budford183 not always
@jakedoe560
@jakedoe560 5 лет назад
@@budford183 dumbass
@jimthecarguy
@jimthecarguy 8 лет назад
Great video Tim.Year ago the rotors were a very common problem.Working outside today it must be getting warmer?
@ThecardoctorTV
@ThecardoctorTV 8 лет назад
+jimthecarguy It's warming up nicely. Still had to turn on the heater at the house this morning cause it gets chilly at night but spring is upon us!
@baddriversofnorthtexas6850
@baddriversofnorthtexas6850 7 лет назад
instead of that little spark tester and having to take the wires off, why not hook up a timing light to each wire and see if you get a light
@ThecardoctorTV
@ThecardoctorTV 7 лет назад
That's an idea. The one advantage the tester may have over that is showing an actual voltage passing through the circuit. The timing light is an inductive pickup and may get a signal from a weak spark but fail to identify low voltage caused by a shorted cap or burnt rotor contact. At least that's my working theory but I have not tried the method you suggest and its thought provoking. I will do some testing when I get a chance to see if that's an easier way since I love saving time. Thanks for the input and for stopping by!
@francsoizbonhuerfrancsoirb7933
Bad Drivers of North Texas i
@jamessimmers2706
@jamessimmers2706 4 года назад
HELP !! I have a 1994 Chevy Cheyenne 1500 4.3 ! One day it decided not to start ! It Cranks, but no start !! I pulled the Distributor cap, and noticed corrosion ! I changed the Dis.Cap And Rotor !! It would not start ! I checked the fire at the plugs, there was NO FIRE ! * BUT, if I sprayed B-12 or put a little gas in the Throttle body, it would start, SOMETIMES ! NOTICE, if I let the Truck Sit for 4 days, it WOULD START ! The truck runs good when running, I can drive it until it runs out if gas, but can't stop the engine, as it won't start for 4 days !! When the truck is running, I can stop it, and immediately restart it, over and over ! It just won't start if it sits for awhile, or overnight ! I have a New Battery, Replaced the Starter, the Coil, the Distributor cap and Rotor twice, replaced the Ignition Module under the Dist.Cap, 3 Times, replaced the Fuel Pump relay, had the Injectors checked when it was running, checked all fuses, and Fuseable links in the Fuel pump relay box on the Fire wall ! After Doing this, the Truck continues to NOT START for 4 days !! SO, I replaced the Fuel Pump assembly, running a new grounds to the gas cap area, and cleaning the Ground by the Fuel Tank !! SAME Results !! WELL, 4 days ago I Replaced the Computer ( disconnected Battery ) Cleanse the 2 plug ins to the computer, and The Truck again, wouldn't Start !! I waited 3 days, and tried to crank the Truck, and it Turned over enough to start it, but the Battery went Completely Dead, after just 10 seconds of Cranking !! I didn't do anything to the Grounds on the Motor or anyways under the Hood !! I thought maybe I was supposed to do Something after I replaced the Computer?? Tomorrow / that's Today now, I will swap back the Computer, and Charge the Battery !! I have been dealing with this for 8 months now, Couldn't afford to send it to a SHOP, I have a limited income, only can actually spend a little each month to try and fix the Problem !! This Truck is my ONLY means of Transportation , and I've Spent pretty good on the FIX, with no Results ! I hope You or one of your Subscribers can't point me in the Right Direction !! Thanks 🤘
@GregJGreen
@GregJGreen Год назад
My '07 Sierra has the 4.3 and is doing the exact same thing. It wouldn't start this morning (at least it did me the favor of waiting until I got home last night). It's been missing for the past week or so and the check engine light has been coming on and off intermittently. The rotor and cap were absolutely fried when my buddy replaced them for me around 5 years ago, engine only had 35,000 miles at the time. It now has 57,000 and I'm 98% certain it's the same issue again this time. My back and hands are riddled with arthritis, but I think I have enough left in the ole tank to do this much.
@terrycollage1165
@terrycollage1165 2 года назад
Goin threw this on my 96 suburban 5.7. Stalled like 12 times one day& just quit, cranks all day. No engine codes Fuel pump kicks on, good pressure on fuel rail. Checked crank sensor. replaced ignition coil, dis cap& rotor. Still nothing
@Rico-vms
@Rico-vms Год назад
Help I got a Chevy Cheyenne 2500 1995 will starts some times on first crank but all bogy shaky rpm goes up between 1&2 gets back down and all bogy, i crank it won’t start at all cranks good no start till I press on the gas and it’s all shaky bogy can someone help me please
@DanielContreras-ny8kj
@DanielContreras-ny8kj 3 года назад
I have a question I got a 98 c1500 5.7 I replaced spark plugs and wires, cap and rotor, ignition coil, and icm. My fuel pressure is at 60 key on and sits around 54-55 running. Well the issue I’m having is on a warm start I have to give it gas to start but other than that it runs fine no hesitation whatsoever. Would you knw what could possibly cause this? Also when I replaced the icm it would throw code p1351 high voltage from icm I tried two new ones from two different brands and the same code popped up but when I installed the OEM icm the code went away. Lookin for some thought on that as well. Thanks!
@MrStrongpack
@MrStrongpack 2 года назад
I have a 89 Chevy Silverado 5.7. It cranks over but want start. When I poor fuel in throttlebody where the injectors are it will start but stops after fuel has burned. The fuel pump doesn't hum when key switch is in on position. The pump has been replaced but still no humming noise. I've replaced fuel pump relay and the ignition control module but still want start. Help needed.
@williamfarnsworth9781
@williamfarnsworth9781 Год назад
I have 1998 Chevy Silverado 5.7 vortec. Drove it started up and shut off like six times that day came home to fire it up and crank no start. So I used spark tester I've got spark at the plug number one the coil has spark the fuel pressure valve dribbles no pressure replace the fuel solenoid relay. Put gas in the carburetor and it starts how sure does this sound like fuel pump?
@thomasringer954
@thomasringer954 3 месяца назад
There is a big problem with aftermarket short distance caps they will carbon track down the side and short out ,every time it rains or in high humidity , a factory cap is the only way to repair it
@jrneff9773
@jrneff9773 5 месяцев назад
mr tim thank you for your vids and teaching use. have you ever seen a guy on youtube make a test plate to show how the caps crossfire i regret not keeping how he built the tool to show crossfiring on the bench. thank you again if i can find it going to make serval thank you again from west tn
@nicholasdeangelis6794
@nicholasdeangelis6794 Год назад
Hey u are a great man sir ty for all your videos I have problem I have a 2000 GMC Sierra 3500 and it won't start I have a security light on that I since fixed I also had to replace my fuel pump fuel filter and gas lines it sat for a while and battery but now it strong wants to start but doesn't I hear the fuel pump kick on I just replaced that and the lines but I saw one of your videos on the distributor cap so I bought one and I'm about to put it In I hope it starts I also had a problem with the vats system which I hope I fixed I'm pretty sure that kills power to the injectors when I replaced the steering wheel and column I'm thinking that's when the security light went on but I got it to go off hoping the distributor cap fixes it I don't know what's wrong was hoping you have some answers
@leifnilsen6107
@leifnilsen6107 4 года назад
I have a 2000 GMC Yukon Denali with a 5.7 motor. It died on me. After trouble shooting and ohm test the distributor (no start situation) I got a 0.0 on the ohm meter. I bought a new and did the ohm test on the new one just to make sure. ( I work on my own vehicles but, I'm don't claim to be a mechanic. I do want to make sure I always do it right) I got 39. 89 on ohm. So it confirmed the old was bad. So I replaced it with the new. Made sure I had TDC on cylinder 1. Marked the old distributor before taking it out and marked it after I took it out. When installed the new one. Made sure it was pointing at cylinder 1 on the cap. I still have no start. About a month ago I did a complete time up so all plugs, wires, cap, rotor is all new. Brass contact cap and rotor. Only use good quality parts. I have the old cap and think I will test this tomorrow in case the new one has an issue. I'm stumped now.......
@midnightrunner684
@midnightrunner684 4 года назад
I had a 68 Nova 6 cylinder back in the late 80's ......I turned a corner and punched it to the floor and was just sliding sideways " Yeeeeee Haw " then all of a sudden The car backfired and started running pretty crappy ..I thought maybe it jumped timing ..My uncle told me that it was gear drive .not Chain or belt ..he told me that it could have jumped but he doubted that ..being gear drive ..I pulled the distributor cap and sure enough ...that little metal piece on the rotor had came lose and wasnt aiming straight ..was probably trying to fire two cylinders at once ??? .I put a New Rotor in it and " Yeeeeeee Haw " I was back down the road
@danvelleroberts8922
@danvelleroberts8922 8 месяцев назад
My truck same year model I've change that part before last year fixed it.i havent drive in 3 days and it's doing the same thing could I change it again
@toady68
@toady68 4 года назад
Man i have a 2001 chevy 8.1 ltr 2500 hd that cranks and dies immediately. I have replaced the fuel pump and the tps. Also the security light will NOT come on at all even after i replaced the whole information panel. I have been tring to get this truck running for months. Can you please help i have asked sooo many people.
@creepyzeek1
@creepyzeek1 4 года назад
I see you're wearing shades. Your last couple of videos we all talked about how you never blink. Keep up the great videos. You're awesome 👌
@rickywhite3737
@rickywhite3737 4 года назад
Not sure if that will help my truck I have a conversion year silverado c1500 12/95 to be exact.. But everything is the same as the 96. I have recently changed the crank position sensor on it and it still won't run.. I'm going to test the number 1 cylinder and see if it's getting fire this weekend, then test the coil after.. Hope it is the same issue that your video shown..
@jfdesignsinc.innovationsid1583
@jfdesignsinc.innovationsid1583 9 месяцев назад
Can you just lean in the engine bay and whack on the top of that distributor with a 16 inch long whathavya and get by or continue for an undisclosed amount of time? Thank you in advance
@louissoria1087
@louissoria1087 4 года назад
I have a 97 suburban 5.7, checked spark its good, changed spark plugs , gas pump is good , pcm is good, turns over but doesn't turn on , have checked everything possible and nothing. What's this part called that you replaced
@nataspihsrow4076
@nataspihsrow4076 3 года назад
Would a stretched timing chain cause a no start issue? I've replaced fuel pump, filter, and pressure regulator. I'm getting fire at the coil and plugs....I'm stuck...help
@JodBronson
@JodBronson 7 лет назад
It also could be...., If your Car / Trucks Shuts Off When Warm / Hot and Starts Right Up After it Cools Down (30-60 Minutes) = Bad ICM ( Ignition Control Module (ICM) Code P1351 ). Unless it's P0128 (Coolant Temperature Sensor), YES... It will " TURN OFF " your Engine when HOT or NO / LOW Coolant :(((
@babyjoker2461
@babyjoker2461 5 лет назад
I have a 94 GMC suburban 1500 5.7 after it runs in drive for about 30 minutes after you cut it off it won't start up. Until I let it cool off. I just put a new Alternator starter New battery still does it
@Billy-rj5gf
@Billy-rj5gf Год назад
I replaced my son's roter. If fired right up. Let it idle a few minutes. Took it for a test drive and started sputtering about two blocks and died. Will hit but not start???
@franciscohuerta9860
@franciscohuerta9860 Год назад
Ey car doc have same issue I disconnected cyl 3 plug wire n it started put it back n won't start only cranks .replace the whole distributor 2 months ago but was running lil ruff had the check engine light still does drive it it starts flashing n already die twice on me any advice
@josephwaters1046
@josephwaters1046 6 месяцев назад
Good job, I am going to try it myself 👍
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