This truck is driving me crazy. Another no start - Ford Powerstroke Diesel Forum
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Old 03-28-2013, 02:35 PM
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This truck is driving me crazy. Another no start

1997 cclb drw 4x4 zf5 242k

The truck wouldnt start unless you gave it a shot of start juice the it'd run perfect. I replaced the batteries and it started right up. Turned it off once and it turned right back on with no assistance. Drove it to the gas station and turned it off and then wouldn't start without go juice again.

What could this be? I have ruled out fuel pump, cps, PCM, idm, starter, batteries. My powers of reason point to wiring but why would it run great once started? Seems like if it was wiring it wouldn't run at all. Do idms get week as in if I did the 140v mod does that help starting?
It's not throwing any codes, no smoke is visible but in the garage you can feel the diesel I your eyes.

Thanks for any help, I don't want to throw parts at it I don't think that would change anything. A weak hpop wouldn't have let it start those couple times I'd imagine.

Any help is appreciated
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Old 03-28-2013, 02:45 PM
Can you hear the derail??

 

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Glow plug relay and glow plugs, do you wait for the wait to start light to go off before cranking?
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Old 03-28-2013, 03:08 PM
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Yes I wait for the wts light go go out I forgot to mention I also up a known working gpr on it from my superduty and no change. Voltage drops to 10.9 while cranking so that should be enough. Also if they were bad I'd think that it wouldn't have started cold those 2 times.
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Old 03-28-2013, 03:59 PM
Can you hear the derail??

 

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When it warms up and you cut it off, and restart immediately it's still warm, and I believe the gpr from an sd is still different than that of an obs, but check your glow plugs, should see resistance values with an ohm meter iirc, but I'm not sure exactly what range. But more than likely if once started runs perfectly fine, it is not warming up enough to start
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Old 03-30-2013, 05:10 AM
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All but 2 glow plugs are in range and the gpr is the same and it's working perfectly.

Truck stated right up first thing this morning 30* degrees out. Some white smoke on startup that goes away instantly.

Buzz test showed all injectors good or at least equal, no codes present.

Cranking warm only makes around 200 psi of oil pressure, reservoir is full and fuel pressure is good.

My guess is it is narrowed down to an oil leakage issue either by the injector o-rings or the hpop. I'm going to replace the injector o-rings and all the glow plugs then I'll report back.
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Old 03-30-2013, 04:20 PM
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I'm having the same exact issue on my E350. No start hot or cold unless it gets a squirt down the intake. Runs fine, turn it off and starts fine within 10 seconds, more than that and it wont start anymore.
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Old 04-09-2013, 03:29 PM
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To sum this thread up...

Truck would start perfectly cold and run great but if I turned it off once warm it wouldn't re start without a shot of starting juice.

I replaced all the injector o rings and it fixed it.
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Old 04-09-2013, 03:34 PM
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Glad you got it fixed! Ill keep this in mind if my 7.3 starts to do it.


Tom
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