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Another no start.....

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Old Nov 3, 2020 | 10:16 PM
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MOOSE_MACHINE's Avatar
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Another no start.....

Hey fellas. How's it going? Me. Well my truck got put on the hook today. It died in the exit of a roundabout. That's the first time I've had a personal vehicle on a tow truck in 20 years. So my issue. Truck died while running. Towed it home because there was to much traffic going around me to feel safe about getting in front of it. When I got home I tried to start it and it fired. Ran for about 2 minutes then loped real bad for a couple seconds and died. No restart. Went inside due to the rain and came back out an hour later. I changed the cps, started the truck again and it did the same thing. I unplugged the icp and still no start. Then I picked up an ipr reseal kit, cleaned it up, sealed it and tried again. No start. It has good voltage, wait to start lite works, tach moves, also it seems to be cranking faster then normal. I still feel like it has to do with hpo but I'm wondering if there's anything else I should check. I don't have live data at the moment because my android is dead. Gonna need to get a new one. Have a good evening fellas
 
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Old Nov 3, 2020 | 10:28 PM
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Oh and no smoke while cranking either
 
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Old Nov 3, 2020 | 11:01 PM
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From: Fowler Colorado
You probably already checked but how are the wires looking to the ICP and ipr? Only other thing I can think of is maybe pcm gave up
 
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Old Nov 3, 2020 | 11:18 PM
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By the connectors they look good. I haven't dug very deep into it. Another thought I had is water in the idm. We got a lot of rain today
 
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Old Nov 4, 2020 | 11:16 AM
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My first suspect would be IDM. Have a known good spare to try?
 
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Old Nov 4, 2020 | 11:22 AM
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From: Fowler Colorado
I thought of that last night as well. I agree that would probably be my first bet
 
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Old Nov 4, 2020 | 04:39 PM
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No I don't
 
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Old Nov 4, 2020 | 05:42 PM
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Originally Posted by Jarrett Campbell
My first suspect would be IDM. Have a known good spare to try?
three years ago I too battled a no start. I did everything, until I swapped in an IDM, problem solved. Look at the age of these trucks, along with a computer living under the hood. These will start failing on everyone s trucks soon enough. Get a new idm and be done with it.
 
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Old Nov 4, 2020 | 05:56 PM
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From: Fowler Colorado
If you decide to get a new one a buddy of mine just bought one from sinister diesel and it died in a week so I’d steer clear from them. Riffraff would probably have a solid one
 
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Old Nov 4, 2020 | 09:03 PM
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If I have to get an idm I'll try one another from someone else first. I picked up a tablet and hooked up torque and came up with 198 psi hpo at 84% duty cycle on the ipr. By this point voltage was low at 9.1volts while cranking. I'm going to see if a buddy has a spare ipr and maybe try that. I'm hoping mine just decided to quit. I seem to recall the ipr ran at 17% at idle a couple of years ago. Which I know is a little high and I'm hoping it's been getting worse as time went by till it finally decided to let go. After that I'm guessing hpop? Or an injector oring blew out? Anybody have other ideas?
 
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Old Nov 4, 2020 | 09:13 PM
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From: Fowler Colorado
If your ipr got over 17% or so at idle I’d think you’re on the right track. Mine idles at. 12% with a new ipr which is probably due to a tired hpop. I would start with a new motor craft ipr if your duty cycle is that high. IMO
 
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Old Nov 4, 2020 | 09:27 PM
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Out of curiosity, what are the symptoms of a bad IDM? Most issues seem to be with IPR, ICP, or CPS.
 
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Old Nov 4, 2020 | 09:38 PM
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Could just be a miss or complete shut down, among other things. Good seeing you again Nick, sorry your having troubles.
 
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Old Nov 4, 2020 | 10:13 PM
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Originally Posted by 96 OBS
If your ipr got over 17% or so at idle I’d think you’re on the right track. Mine idles at. 12% with a new ipr which is probably due to a tired hpop. I would start with a new motor craft ipr if your duty cycle is that high. IMO
That's my thought. I'm trying to locate a donor ipr that I can try. I would assume a wearing pump Could cause higher ipr duty cycle as well as injector orings in really bad shape but that number was shortly after installing a t500 on a complete engine build. The ipr was reused though.

Originally Posted by oldbird1965
Could just be a miss or complete shut down, among other things. Good seeing you again Nick, sorry your having troubles.
Hey Glenn. how's the new truck. I recall seeing something about you having to put a whole new motor in it?
 
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Old Nov 4, 2020 | 10:53 PM
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Originally Posted by MOOSE_MACHINE
That's my thought. I'm trying to locate a donor ipr that I can try. I would assume a wearing pump Could cause higher ipr duty cycle as well as injector orings in really bad shape but that number was shortly after installing a t500 on a complete engine build. The ipr was reused though.



Hey Glenn. how's the new truck. I recall seeing something about you having to put a whole new motor in it?
Yep, A couple thousand miles from home and blew a hole in piston #8. The chunk of metal went right thru my S366. I was forced to have a local diesel shop put in a Jasper motor so I could get back on the road. Expensive but I have to say the Jasper is running good and the new S366sxe spools really fast. Love the new truck! It sounds like your getting on the right path to figure yours out, good luck!
 
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