This 1995 E-350 is a former ambulance. It had some work done, then would not start. Can we get it running after sitting 2-1/2 years? Part 2 here: • Ford E350 | 7.3 Power ...
As a mid-90s ambulance owner... These things are complete wiring nightmares. The amount of auxillary wiring in the dash is INSANE. I pray you find a mechanical issue and don't have to start digging too deep in the elec
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@Jbog07 yep, I watch Taryl Fixes All and they're throw away items can't even change the gear oil in them. The innards are metal but the transaxlen housing is like a glass reinforced plastic. Briggs also uses plastic cams in their engines as well.
@@PRL1290 that’s a garden tractor version. Not a tough torque. He will be fine. And it’s shaft driven and it has a Kohler 25 horsepower v twin. Known to be some of the most reliable engines in small equipment.
Thank you again Wess. It's kinda hard to watch you trouble shoot these diesel engines. Our Son was a diesel technician working on fuel trucks. He also was going to school and aided the instructors and helped other students. He passed away in June 2019. He would have really loved your channel. Have a wonderful day you are truly blessed. You remind me of him so much.
Wes, I too was eating IDM'S on my 2000 7.3L Excursion. The issue was the rectifiers/diods in the alternator. I found on ebay a heavy duty rectifier for my alternator. US made and supposedly for high amp alternators. (plus I installed a new voltage regulator). Autozone alts were giving me fits, but the real culprit were the high amp alts (Chinese) I bought on ebay. Chinese alts can have dog shit rectifiers. I rebuilt my high amp ebay alternator with the new US made heavy duty rectifier and the problem went away. The IPR spikes you are seeing "may" be related to the rectifier leaking, confusing the voltage regulator into sending more voltage, then the leak stops, voltage spikes briefly, voltage backed off, but the damage is already done to the IPR. Spike voltage fries an IDM, maybe! Good luck!
Ford dealership technician here. There was a technical service bulletin released way back, about a water shield installation to protect the IDM from water ingestion due to where they are situated on these vans. This was why the Ford diesel class instructor I had at the time liked to refer to 7.3 IDMs as "water traps" and 6.0 EGR valves as "carbon traps". Usually high ICP like what you were getting would be a result of aerated engine oil, hence why timely oil changes are especially important on any HUEI engine. Back then, to verify it wasn't aerated, we would start and run the engine at redline (about 3200 RPMs if I remember correctly) for a few minutes while watching ICP and IPR readings and confirming ICP readings would remain steady at around 1800 or so, not some stupid high reading. IPR on a 7.3 at operating temperature should be in the neighborhood of 9 to 11% at idle and up to about 45% at elevated RPMs depending on operating conditions. If you see it increase to 65% then you have a high pressure oil system leak somewhere because that is the max duty cycle. I've vaguely recalled the IPR spool valve nut were prone to falling off into the "valley" too. Wow, it's been YEARS since I've gotten my hands dirty on a 7.3!
Some have pointed out, without the injectors firing, there is nothing bleeding off the high pressure oil. So it continues to build until it hits the relief valve. I should have thought of that!
Saturday morning magic! I've said it before, I'll say it again...Wes...You are 100% awesome! You really do understand the digital's! It's a pleasure to watch you work! Thank you.
I like the deductive reasoning going on. So many shops that work on things, would find something they thought was wrong and throw new parts at it, calling it good.
Kind of makes sense why the ambulance company would have gotten rid of the van only having 40k miles on it. Must have wanted to wash their hands of it after chasing electrical ghosts.
I'm curious about the number of idle hours. I've heard that is usually the big deal with EMS vehicles is time that they spend idling. Back when I pushed carts at a grocery store the fire department would take the ambulance to go grocery shopping. It would be sitting in the parking lot idling the whole time ready to go if they got a call.
Greg Robbins Emergency vehicles are usually replaced by the date, not the miles. Here in Finland they usually have an insane amount of miles on them when they are auction off instead, but the maintenance schedule is usually also quite insane, they replace oil, fluids, belts and all other sorts of wear parts based on the date, not how many miles I’d had. So if you find a used ambulance, try to get hold of the maintenance history as well, it’ll tell you a lot more than the miles. Normal maintenance schedule is usually 12 months between oil changes.
Sebastian Storholm Here in the UK they run Ambulances in to the ground ! Since the NHS split the ambulance services in to larger areas there have been reports of major & dangerous faults going unrepaired, they also seem to fail their yearly MOT tests a fair amount, on anything from the trivial to major issues which is not something you would expect to see really.
I live in South-Eastern Ontario, Canada. Here in the province of Ontario, no ambulance may serve in Provincial Ambulance Service for more than to the end of its 59th month. After that, it can be sold to private ambulance operators, such as those that transport patients between hospitals or take patients who are unable to sit in a car or taxi home. Many get through their initial service life just fine, and live on in secondary service for years afterwards. Some get sold off at fire-sale prices because they're not in ideal shape, these often end up in the hands of contractors and such, and have the emerg. lights removed, and become tradesman's vans. I remember being a kid in high school in the early 80's, having a p-t job pumping gas after school until midnight. All the police, fire, ambulances would tank up where I worked because we took the Provincial Gov't card, and because we were open so late when the rest closed at 8, 9, maybe 10pm. By the time I left that job of pumping gas in 1987, they were starting to put diesel engines into ambulances. I remember asking some of the regular drivers for their opinions on diesel power in the ambulances, responses varied but some were genuinely impressed with the power output compared to the 454's, 460's, 360's, even the latest 350, 318, 351-equipped units. The diesels could obviously last longer, make better use of fuel while idling, and weren't as sluggish as most people had expected.
Watching that seen of you towing the van in gave me vivid flashbacks of my mom and dad at our camp. My dad would be on the Case VAI and my mom would be steering what ever needed to be moved. Thanks for the memories...😂
Here's a thought... verify the alternator output voltage, may be too high (ignoring the dash gauge)... if I had to bet with the info I have available, the power regulators in the idm fry after those 25 miles from overheating :)
@jason9022 I agree, however in that short time period ? They might survive, and who's to say something else isn't fried ? Or can withstand the extra voltage ? In any case I hope for a part 2 soon :D
Being a Ford tech-I've seen cases where charging system issues or low batteries (cheap) attributed to repeated idm failures-as far as the crazy icp-when these modules aren't getting the proper voltages or have a circuit blown-anythings posible.
"Hold my beer" moment, LOL! You're like the Sherlock Holmes of fault finding here; logic! Love it. Thanks for posting. Again, love the video of you backing the truck, framed by your garage door, and the ever faithful hound following you at the same pace. This is the best thing about my weekend! Thanks for making it puzzling, interesting, and funny, all at the same time. I'll be watching!
Wes, long time wrencher here. Wanted to let you know, I learn something new every video you make. I'm not a Ford fan at all, but I greatly appreciate your explanation and diagrams. Helped me get a stuck traveler out of a rest stop. I also greatly appreciate your LOGICAL approach that is sorely lacking in many shops today. Keep producing such great content. Love the will it start videos!
what? no push bar on the cub cadet? 50,000 miles and 500,000 miles worth of idling! 7.3 in a van has a larger turbo because they dont have an air charge cooler. it will be interesting to see if the connectors are melted together shorting out the idm. the 25 miles thing suggests to me that it could be temperature and expansion that helps to induce a short. cant wait to see you dig into this one. these are my favorite types of repairs.
Yeah, it may well have 20,000 idle hours! The owner says one valve cover was removed and no issue was found. But there has to be something happening and the valve cover harness is such a common failure.
Sometimes I love electrical problems other times not so much lol. I'm not familiar with those trucks but if it's eating modules I'd be looking for an alternator or ground problem. Nice to see you working with the fam!
I remember when the ambulance service in BC, Canada started using diesel ambulances. It was around 1991, so the 7.3 IDI no turbo. The news did a story about frustrated drivers having trouble making it to calls in a timely manner, because they could hardly get a hill! My dad was on ambulance when his station was first given the diesel ambulances, but by that point they were the powerstroke, so they were actually pretty good.
i think a lot of places in the US ended up just putting turbos on a boatload of government equipment before the turbo was the standard option. firetrucks and ambulances were having trouble with hills and such.
Geewizz Wes it really is a family business!,😉 even the lawnmower is chipping in, thanks for the entertainment and as always ... it was a joy to watch you work🛠, hope to see you again soon!, you and your family stay save and healthy
Ambulances in the south may have low miles but engines run almost 24/7 , as did our pd cars. Love watching your videos ,it calms and educates me ,thanks .God bless
I hope there is a part two - this is very interesting! I both love and hate problems like this. Hate them as I'm trying to fix them...but when you finally do find the root cause...I love the feeling of accomplishment! Keep on keeping on! Looking forward to the Deere parts coming in and more on the Deere. Tell your better half that she did a great job driving the ole van into the shop - not easy with no power anything in a vehicle that depends on having power everything. :)
Local guy has one he put a lift gate on it and uses it to pick up scrap from auto shops. Great for that use as the deck is quite low compared to most flatbeds. Charles
@@WatchWesWork I've got a 1998 van with the 7.3 liter "PowerStroke" engine. I love this thing, but with 350,000 miles, I'm worried that I should rebuild the cylinder heads and injectors soon (to help it last more than 800,000). The problem is that getting access could mean having to remove the entire cab from the chassis, something I don't have a garage or other facilities to do such work in. These things are a pain in the butt to work on - removing most of the intake air assembly just to change a fuel filter...ughhh.
Interesting... I've been building and running 4x4 Van's for a long while. I would go insane if I worked at a shop like there's. Van's for days. lol I now have my own lift kit system for them... been thinking of a way to build like 10 and make a new style gambler 500 platform..FUN FUN FUN. I'm for sure going to stay here.. you are doing great. A bit over my paygrade.. but not for long.. lol thank you for your videos.
Love the video, was surprised that the cub cadet could pull that much. was waiting for the gears to shear......I learn so much from you. you need to have a show on MT your better then Tech-Garage
If you don't make a part 2 , we will start calling you Warren...lol. Nice arrangement of the shop with the machine part at the back left side. Glad that things are starting to move.
Good job, Wes! I agree you still need to find the root cause of the IDM failures before putting this back on the road, or it may very well fry another one in another 25 miles. For what it's worth, I'm a retired career paramedic in Charlotte, NC. We ran 7.3 Power Stroke F-350's for several years but I'm not aware of us having any ongoing problems like IDM failures. As far as I know, the 7.3 power strokes gave us pretty darn reliable service. Ambulances do indeed get a LOT of idle time. We do "central depoyment" with our fleet and "post" trucks at specified locations strategically. We are deployed and sent to fire stations and even street corners (a point close to intersections). In many instances, our tricks are at least idliing the entire shift 10-12-14 hrs at a time. I don't know how the ambulance company (EMS provider) operated where that chassis-cab came from, but I can vouch for the fact that in many areas, ambulances get an INSANE amount of idle time (mainly for HVAC/climate control for the crews). Keep up the great videos, man! :-)
G'day Wes...I know hindsight is a wonderful thing...But instead of risking your IDM...I would have tried the suspected Faulty IDM on your truck with no risk of damaging your unit...Just a thought...Love ya videos...Keep em come'n mate!!! :)
I nearly wet myself laughing at Max who just had to go ta ta in the brrm brrm that wasn't brrming. 🤣🤣 Wes, in case you read this, have you ever considered putting a winch (with a remote control) at the end of the shop so you can pull yourself into said shop? Think of the savings by not having to pay _Wifey's White Knuckle Towing Service_ a retainer to be on standby. The forklift would never get trapped again as long as you can get the dead vehicle close to the shop door. *Thank You* for the videos. They are much appreciated. 👍
Damn son, you need an assistant bad, If i didn't have a bad ticker I would come help you for free. Otherwise you are doing a hell of a job yourself. I really enjoy watching your expert level work. Keep it up!
My dog loves to sleep in the truck. I open the door and he sits there and stares at me with this "I'm good" look on his face. I'll open the windows and leave him in the truck all afternoon. He sleeps like a baby.
i had a '67 short bed f100 i bought for 400 bucks back in '96 . in the course of 100,000 miles that i logged on it, i replaced tires,brakes, some wheel bearings,and all of the belt powered bolt on stuff ( both items...water pump and alternator).. had to replace a U-joint on the side of the highway with just a pair of channel locks too . 3 sets of plugs and 2 sets of wires.... 400 bucks... that 300 strait 6 seemed to get the same fuel economy regardless of load...empty or loaded it averaged 20mpg... only 185 ponies under the hood and 4 on the floor..it was a basic work truck.....but it ran regardless of issues....oh ya-only ONE vacuum line ..from the carb to the brake for a simple power assist I miss the days when a construction worker like myself could scratch his head and figure out what the issue was....nowadays you better begood with PC's and have code books..and all of that... cars have been ruined...what ever happened to KISS-keep it simple , stupid ?
Great video Wes greetings from the United States Virgin islands in the carribbean st.thomas I am a new subcriber and I am a journeyman heavy equipment mechanic with nine years of experience in heavy duty trucks and earthmoving equipment your videos are great and educational my dad was a diesel mechanic he taught me most of what I know so far he passed away last year so I am going to get certified very soon and get my CDL soon thanks for the great content and God bless you and your family keep the videos coming
I had a similar issue with my PSD van.. 3 bad IDMs.. I was using reman units... Turns out they were filling full of WATER!! Ended up getting a new revision from Ford directly... There were some TSBs regarding water ingress on some vans.. but if I were you I'd pop that old IDM apart and see if it's got water inside! All the reman modules I got were all old versions with bad seals... The new revised one fixed me right up! That location gets a lot of runoff from the windshield, and spray from front tire fender area. BTW.. you're lucky that's a cutaway chassis.. you can't pull the valve covers on a PSD van without removing the motor mounts.. but cutaway chassis are WAY easier to pop the body bolts loose and Jack up the cab, than to pull motor mounts and roll the engine back and forth.. it was 21 hours of labor to pull all the injectors and glow plugs on my van...since mine wasn't a cutaway.. good luck man!!
something else to consider - ambulances do a lot of idling.. and the PSD engines vibrate a LOT at idle.. this one may be old enough that it doesn't have the 'auto idle up' built into the ECM - even with that - they still vibrate everything all to hell.. i always zip tile EVERYTHING - wiring harnesses can chew thru themselves on those vans! doesn't hurt to do a shakedown test, and peel back the harness covers and visually inspect all the high voltage wiring as well..
@@WatchWesWork No Wes he had a plethora of vids on the the 7.3 and icp ficm and no start issues. Powerstroke help has quite a bit too. Bill Hewitt is his name.
I think, since about 1989-90'ish all ambulance vehicles had to be of diesel power. Something to do with a lesser degree of fire/explosion in a crash, than a gasoline power engine, given that patient transport was on board. Anyways, looking forward to a part 2. I'd did not know that there were OBD port(s) on a 1995 Powerstroke, or that a "buzz test" could be done on a 1995 Powerstroke. I learn so much from you videos, it is pretty awesome. Thank you sir.
The Power Strokes were OBDII-ish in the early years. They did not follow all the standards, so some scan tools will have issues communicating with them. You can reflash the PCM to a later version and get full OBDII functionality. The Autel does pretty well.
Most states set an age limit on emergency vehicles. As a former police officer our vehicles were replaced around the 100k mark. The volunteer fire/rescue were regulated by the state by age of vehicle. You stated in the beginning of the video that the owners company converted the ambulance to the flatbed. Lots of electrical connections had to be removed and reconnected. Maybe the tech that worked on wiring crossed wires someplace causing a surge to the control module. Sounds also like it ran before the conversion. GL Wes.
I am guessing the nick in the orange wire was a test cut to probe. Great video! 👍 I enjoy seeing all the advanced diagnostic equipment. The wireless obd /computer scanner makes me want to throw my handheld unit in the trash.
@@Military-Museum-LP It may only have 50K miles but being an ambulance it has hundreds of Idle hours, which are generally harder on diesels due to the fact that they don't burn as good when idling resulting in more cylinder wash.
Every PS e4od that has failed me had tge pump welded to the case or the shaft or both bad grounding is def a prob on pre 2001 then it became a guarantee
@@johnstockwellmajorsmedleyb1214 can you explain a little more. My van is a 95 7.3 . Lost power then couldn’t restart it. No fuel is going into the fuel bowl
