1997 Nissan Altima Misfire Diagnosis -EricTheCarGuy

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In this video I get into a misfire and check engine light on this 1997 Nissan Altima. The misfire codes are P0100 MAF sensor, P0325 Knock Sensor, and P0304 Misfire cylinder #4. The engine also runs rough at idle. I go through the steps of it's diagnosis, find the problem, and come back after the repair. The actual repair of this vehicle will take place in another video (next week), this video covers how I found out what was wrong with this Altima. Engine performance issues can be tricky to nail down but with a little time, patients, and some diagnostic know how, I'm sure you'll be able to overcome any engine performance issue.
Here's a link to the repair video: • 1997 Nissan 2.4L Intak...
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ETCG
Due to factors beyond the control of EricTheCarGuy, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. EricTheCarGuy assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. EricTheCarGuy recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of EricTheCarGuy, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not EricTheCarGuy.

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30 май 2013

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Комментарии : 535

@Jono. 10 лет назад

Is it just me or does this has more suspense than most of the crap on tv nowadays?!? What a pain in the ass. Well done Eric! Learned a ton

@johbull3097 2 месяца назад

Henry

@shiftclick 11 лет назад

Hey Eric, Love your honesty. That being said, I learn so much by you "walking me all around the barn to get to the outhouse" Thank you for the education, Shifty

@sabengco 3 года назад

Thanks Eric

@cynicky 10 лет назад

"Stay away from those stinkin' assumptions...they will get you"... Wisdom for many aspects of life.

@bityard 11 лет назад

Eric, thanks for taking us through your troubleshooting process and not editing out the dead ends. It's not always easy to tell what's causing a problem. You shouldn't apologize for heading down the wrong path initially, especially when making a video about it. It is very educational for newbies like me to know the different things we should be checking for.

@jasonkf1 9 лет назад

EricTheCarGuy has the best videos I've seen on youtube for vehicle diagnosis and repairs. Quality video, nothing corny, in depth quality information. Many thanks for creating such high quality work with a wealth of information.

@forwardlookguy 11 лет назад

"Screw you, no gas for you." Haha, awesome. I'd say that is an accurate description. This is my favorite video to date. You included everything, even your mistakes. I think everyone learns more from seeing mistakes as well as the solution. Good job Eric!

@PeterFeederHQ 9 лет назад

Eric the car guy ***** 5 stars for you man

@taipeiracer 10 лет назад

I absolutely love this video! My 2000 Nissan Quest is throwing exactly these codes (except the misfire code is for a different cylinder). I have done a number of things so far, such as replacing the distributor, ran the fuel injector cleaner, cleaned the throttle, replaced the fuel filter and air filter. The problem is still there. This video provides many great tips and tactics to think about what to try next.

@ManicMechanic007 11 лет назад

Simply the best automotive website on the net. Excellent as always Eric.

@SuperSpyMonkey 7 лет назад

3:35 "Okay, that screw snapped." That is so Nissan.

@RonGJX 11 лет назад

I have seen a lot of your videos and this has to be one of the best. In particular I like when you explain the strategy and logic of a particular approach before you try something. And then when that does not work, you explain the next logical strategy and approach. A good Sherlock unraveling of what the root cause is that eventually reveals itself. I am way past my youger and foolish years when I would just throw parts in an attempt to secure a fix. The true fun is in an accurate diagnosis

@johnsteele8382 11 месяцев назад

Great follow through on this Eric! I know this video is 10 years old but is helping me with my daughter's 2000 Altima right now. I'm a new subscriber for what that's worth.

@coldwatercap 7 лет назад

I have acquired a 2000 altima and its running rough, kinda thought the intake but haven't checked it yet, wish to thank you for your work on this video and covering so many tests & has helped me on my homework before i dig in as im new to nissan...your a great teacher, thankyou

@MrAteazy 11 лет назад

Hey Eric I know you probley wont ever read this but I just want to say thank you very much for all the time and effort you put into these video I really enjoy them and instead of wasting my time I spend it wisely watching your videos you are very entertaining and very descriptive and help me a lot when I have an auto class in school I can have like a debrief on anything from watching our videos if I could sum you up it would be wonderful have a great weekend Eric your the best!

@sc0tte1-416 9 лет назад

Man...seeing these videos hurts so much living in Canada. All the cars wherever you live are always SO CLEAN wtf!!!

@moofushu 11 лет назад

This video is great because of the tests Eric performs to find the problem. Finding the problem is good skill to learn that comes with experience over time.

@jim22387 10 лет назад

These are some of the best instruction videos I've run across. Thx.

@joseirizarry8256 3 года назад

Eric i honestly have to say i love watching your videos your perfect explanation and step by step on how to fix procedure, take care buddy.

@fullrebelheart 10 лет назад

After weeks of research my car is fix do to your video you are great person for taking the time to post these once again thank you so much!

@thetruevine7083 4 года назад

Thank you Eric. This is perfect instructions. Appears to be identical with whats going on. Im rough around the edges. I appreciate y'all giving this much needed help.

@jamiebales8394 8 лет назад

I accidentally saw the title of the repair video before watching this and that took the excitement away! It's painful watching you try to find the problem when I already know what it is. Tried shouting at the screen "Eric, it's the intake gasket!" to no avail.

@alphy79d 10 лет назад

Thanks Eric! I feel like a freaking genius now. You're a great teacher.

@pferdundhundj7989 5 лет назад

Stroicho metric?

@techyguy1 11 лет назад

Don't feel bad. I can't tell you how many times I've went way far in depth trying to diagnose a misfire/air pump, etc. Sometimes the most obvious solution is the one over looked. No harm in looking at the entire system as a whole and testing/verifying each individual component. This video was a great learning tool for me as it was for everyone else. Keep up the great work!

@jerri0401 11 лет назад

you can learn so much about engines in these videos as a layman. nice work. keep it up

@Excel3544 9 лет назад

Thanks Eric, I learned a lot from this video; you're a great teacher w/ systematic diagnosis. I really appreciate your video after just changed my intake manifold successfully by myself (after watching 2 videos - from you and the other guy).

@juice692003rr 10 лет назад

Great job on the diagnose. It really helped me out on finding the problem on my car. Keep up these great videos and Keep them coming ty.

@100SteveB 11 лет назад

This must be one of your best information videos Eric, very educational. Good work. Assumptions, lol, we've all been there and done that - way too many times!

@petrmiskerik 10 лет назад

Awesome video! Thanks Eric. I love your diagnostics methods, there is so much that i can learn from you...

@Cragified 11 лет назад

I think this is a very good video to put up Eric because it shows the challenges a technician faces trying to diagnose a problem and all the possibilities they can be. It also illustrates how important it is to look at all possibilities before you start throwing expensive parts at it. A lesser tech would have just installed new injectors and then the customer would eat that without a resolution to their problem.

@eastcoastteddy58 8 лет назад

Eric you are a mechanical BEAST!

@thec4ke 11 лет назад

Look at it this way Eric, you got a great all around misfire diagnosis video out of this.

@titankingse 11 лет назад

Awesome video. Was glued the whole time. I'll be watching more.

@ericthecarguy 11 лет назад

You're welcome. Thanks for the comment.

@wombat696969 4 года назад

I always enjoy your video clips Eric.

@Demonata66 11 лет назад

Fabulous video, Eric. Thorough and informative as always. Much appreciated!

@Crappie_Hunter_Seeker 11 лет назад

Really enjoyed this video. Thanks for showing us everything you went through and not cutting out any mistakes, etc. Really nice video. Thanks for all u do.

@TheCrownMP 11 лет назад

Eric, I know I'm just another one of your viewers, but I'm 18 and got a job at Honda about 6 months ago, I've been watching your videos for quite a while. But I'd just like to thank for not just the countless times I had a problem and you had a video on it, but the life lessons I've learned about you on work ethic, and being kind and responsible and learning from mistakes. You seem like a great person and I'd just like to say thanks for everything man! Stay dirty

@lawnerddownunder3461 6 месяцев назад

Hey how are you doing after 10 years as a grease monkey?

@sbeer6er 11 лет назад

Thank you for posting fails and all, makes me feel better about myself:)

@joeyz2k 11 лет назад

Great video Eric!!! I look forward to Fridays for your new videos!!!

@ShabangalangMoto 11 лет назад

Great vid. Really like you including all your diagnosis even if it means you miss something. Very helpful

@Grescht 8 лет назад

Eric, I'd like to share with you some things I discovered in my endeavors with this exact same car experiencing the EXACT same problem. I really think it'd be a GREAT addition to this video because the majority of the viewers watching this video are working on high mileage cars versus the lower mileage car featured in this video. After going through regular diagnostics, and replacing the standard tune-up parts, I determined my intake gasket was leaking as well. After a timely job of replacing it as you know, I also replaced both egr valve gaskets (top and bottom) , the egr inlet tube gasket located on cyl 4, and the throttle body gasket. I started her up and it purred like a kitten..... For about 5 mins. Then it went right back to missing at idle. Under load driving was greatly improved but under 2k you could feel the miss and I was not happy. I pretty much went back through the entire diagnostic process trying to eliminate things. Long story short,

@Grescht 8 лет назад

When I replaced the intake mani gaskets I did not fully remove either half of the manifold from the car, I just separated them enough to get the job done. What ended up happening was during this process I managed to loosen some carbon somewhere in the egr passages because they were absolutely FULL of it and a chunk of carbon made its way into my egr valve which made it unable to close. This happened five minutes after it started and was running perfect. It had all the symptoms of a vacuum leak. I think you should add a note to the video really stressing the importance of full removal of the manifold so you can do a thorough egr valve and passage cleaning by removing the four access plugs located under each runner. It's impossible to do the cleaning in the car and if you reinstall with new gaskets you are just wasting your time. At any point in the repair you can knock loose some carbon and it can get stuck in an egr passage and BOOM, you're missing again required full removal a second

@Grescht 8 лет назад

Second time. I learned this the hard way and after having to do THAT job twice, I wouldn't wish that on any mechanic. CLEAN YOUR EGR AND EGR PASSAGES WHILE THE MANIFOLD IS OFF!!!!! DONT BE LAZY LIKE ME AND NOT PULL THE MANI ALL THE WAY. YOU DONT WANT TO DO THIS JOB TWICE. ^ moral of the story kids Learn from my mistakes and Eric's knowledge. For information on how to clean the egr passages refer to Eric's video where he performs this job on a F22 series Honda motor that's very similar.

@quadrunner2124 8 лет назад

+Taylor Gresch Heck, if I was in there with a chance to take the EGR out...I might just block it off lol

@jimsjacob 10 лет назад

Excellent video! Ton of info here. I had performed about two of the test listed here and it still seems to point to a bad injector, but now I will follow through on the others to verify prior to removing the intake collector.

@asimall 11 лет назад

Excellent as always Eric.

@Hamhandful 11 лет назад

Eric, your videos are always informative & interesting. Keep it up!!!

@snower13 11 лет назад

May have dropped the ball but now we know how to test for maf, ign, and fuel problems. Great video for that reason!

@Avrelivs_Gold 11 лет назад

Damn, I drove my E30 with that rough run almost 2 years now... Going to check for leaks tomorrow first thing!

@eisman07 11 лет назад

Eric doesn't use high tech diagnosing tools because he tries to do tests that the average person can do. It isn't practical for the home mechanic to buy expensive equipment. ETCG is designed to save you money. Good video Eric. I've chased my tail many of times and then found the problem was right in front of me.

@GDK-MEDIA 10 лет назад

Awesome! You are the best RU-vid mechanic ever! Thanks for the video! Appreciate it!

@etraderx11 11 лет назад

Love Eric's videos.. one thing I also do when checking ignition wires is try to wiggle them as the engine is running to see if there is a connection issue between the wire and the spark plug.. this can often tell you which wire is bad too

@dsur89 4 года назад

Thank you brother i appreciate it, the commentary at the end of the video was extremely helpful

@sicklight 11 лет назад

This is a great educational video, great work Eric!

@stevenrose7 10 лет назад

You are a Godsend. I really appreciate all your generous sharing of knowledge. Keep up the good work . You are awesome!!!!!!!!

@bb65346 11 лет назад

I felt like I was back in tech school (Baron Institute of Technology) with this vid. Love these informative vids.

@marcoscornelio4536 6 лет назад

Nice video for troubleshooting bud. Learned a lot today. Thank!

@grantlarmstrong 11 лет назад

I very much enjoyed this video. I think some people view and want to see perfection. This is a practical experience and MORE likely to be the case. Thanks for posting this one Eric. Stay Dirty!

@gagarinspace 11 лет назад

Excellent video, mate! Keep up the good work! In addition to tech savvy you've got camera presence as well!

@parvondajones8098 9 лет назад

This was very helpful to finding out my car problems.

@kellcoleStyleEnt 8 лет назад

I got the same thing

@zx8401ztv 11 лет назад

Smashing tutorial as allways eric :-) That was a complicated one, and if you get a bit misdirected then we would never have figured it out in a million years:-) Great learning :-)

@darthvincor 11 лет назад

Great stuff. Learned lots of new things about petrol engines.

@amanwithafakename 10 лет назад

EXTREMELY helpful video! Thanks!

@tylerperry2583 4 года назад

those are really good tips at the end. thanks again eric my man!

@hayksamvelyan 11 лет назад

I felt a little bummed about Eric throwing parts at the problem, but I later thought about it and realized that he shows us the real-life human examples of what most people would do. Our mistakes is what helps us learn and get better.

@jonny60991 11 лет назад

Great video Eric ... Thumb's up can't wait for part 2

@user-ys6zg7ln4u 11 лет назад

this video is the boss i like when the challenges are tough and this was a difficult one. it did take some level of patience on your path. love it. Stay Clean.

@aguilarantonioattnt 9 лет назад

Nice video. I got to the trial and error by with good diagnosis and reason why you went there

@younismark 11 лет назад

Very good video, Thank you. Misfire could be very frustrated. A friend of mine, his truck was misfiring on cyl#3 and we followed all the steps that you just did we couldn't find a reasonable cause for the erratic misfire that was happening only on high way speed, or high load.

@CharlieSill62VO 7 лет назад

Erick! Trouble shooting has never been this fun for me! Thank you!

@apachelives 11 лет назад

best videos on youtube, this is quality material right here :D

@z31rider24 6 лет назад

only 86,000 k on it. My 2000 Nissan Altima GXE has 240,000 k on it. It runs smooth, no check engine lights, no oil leaks. Passengers are amazed how smooth and good my car runs and sounds. I pamper my car. Good line that Nissan produced.

@rizalgaliza5125 6 лет назад

Z31Rider boii nobody care about yo 2000 nissan altima son. car still trash lol

@matowixunplugged7927 6 лет назад

Rizal Galiza I have a Nissan Pulsar Hatch it's also an amazing engine runs like a clock

@lliw8 11 лет назад

Mate, your videos are awesome!

@Gillymonsterproductions 11 лет назад

I wouldn't say you dropped the ball on this one Eric. Simply you gave other things to look at when getting said check engine codes. And I learned a lot despite what you may think is a mistake. Keep the vids coming and take care!!!!

@evoGage 11 лет назад

Enjoyed this diagnosis, nice one Eric!

@estrelladelnorte1308 11 лет назад

very nice, i like that you showed that even with all your experience things can be missed.

@buggsyspam 11 лет назад

We all chase the rabbit down the hole once in a while. Good to see the rest, and even entertaining.

@cynicky 10 лет назад

Awesome thoroughness and explanation.

@jesusmalgames 11 лет назад

Beautiful diagnostic, I learn certain steps to diagnose. Thank You

@aj.henderson 11 лет назад

This was better than CSI. Great work on the vid.

@metalman2242 11 лет назад

thanks for going through all the possible diagnostic test. alot learned

@MikeIllusion92 11 лет назад

This has helped me take a step back with an issue on my bike. I really should stop making assumptions.

@anakinseviltwin 11 лет назад

I am amazed you have found a pre-2000's car this clean where you live.

@nickwilson1476 6 лет назад

Lots of good diagnosis info in this video!

@020119571 11 лет назад

great video eric.you covered alot in a short amount of time

@erickcchiu 11 лет назад

Eric, I started to follow your video. Wonderful and sharing. I like it a lot.

@thesanantonioinspector9834 9 лет назад

Eric The Car Guy, Excellent Excellent Excellent Video. Thank you for sharing your knowledge.

@polipochilegge 11 лет назад

i'm gonna make a leak test on my car right now! it has the same problem, i love you!

@martinm.6524 4 года назад

Great explanation thanks Eric

@ElectoneGuy 11 лет назад

Honestly Eric, you should be on Speed TV with your own show.

@LZDEN 10 лет назад

nice work eric..i do like your methods of tracking down engine problems...;-)

@layintrax 11 лет назад

I enjoyed the process... really well done!... I always learn something!... Just for thought, if I suspected the injector, I probably would have swapped the injector w/ another cylinder to see if the problem followed.

@gruffski 11 лет назад

Great video Eric!! Very educational and newb friendly :)

@MrXispas 11 лет назад

To bad i live in Portugal...Love to work with you! Great vids! Best regards, thanks

@dianasworldoffixingthings4090 6 лет назад

Great video! Thanks, Eric

@UBBERTANKER 11 лет назад

I love diagnosis vids like this you should make more of them

@TJjeeper69 11 лет назад

Great video Eric. Thank you sir!

@Vule-yl3kw 11 лет назад

I have a problem just like this one on my vw Thanks Erikc you are the best

@whoolph 11 лет назад

Thanks for the video . . . never too old to learn. Rog

@StingRayINC 11 лет назад

ERIC THE CAR DOCTOR!!!!!

@CrazyPearldrummer96 9 лет назад

I'm surprised that you didn't see the arcing on cylinder number four. You can see it clearly right after he rew the motor. When the engine then goes back to idle you can see the fast arcing bolts from the ignition wire to the valve cover. Watch for the arcing on cylinder four from 14.02-14.07. But still great vid, like always good job Eric!