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Cold start issues

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Old Jan 27, 2017 | 02:17 PM
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Cold start issues

2005 f250 240,000 mile has been hard starting a couple of days in the low 20's. Fires and stalls, got it start the first time it acted up but had to long crack with throttle to the floor. A week later would not start at all again fired and stalled. Plugged it in for 2 hours and fired right up. I had the FICM replace at about 150K and all glow plugs at 130K I will check it this weekend. Am I looking at another ficm or something else? Whats the trick to getting them started when they fire and stall. Need to go on a trip and can't plug truck in at airport and temps will be in the teens next week!
 
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Old Jan 27, 2017 | 02:23 PM
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Sounds like it could be injector sticking. If it stumbles a little until it's warmed up and the ficm checks out good then try 2 bottles of revx in the oil. It worked for me before.
 
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Old Jan 27, 2017 | 02:28 PM
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Read the codes, glow plugs is my guess, especially since you mentioned plugging worked.
 
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Old Jan 29, 2017 | 09:02 AM
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read codes bad #8 glow plug. Replaced all 8 with harness. 25f this morning would not start. Fires and stalls? Been running rev x for about three years? Will be testing ficm today
 
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Old Jan 29, 2017 | 10:05 AM
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2006powerstroke90
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Do you have any monitoring set up? FICM could cause cold start issues.

Batterys good?

When plugged in does it fire right up?
 
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Old Jan 29, 2017 | 10:24 AM
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Originally Posted by dant
read codes bad #8 glow plug. Replaced all 8 with harness. 25f this morning would not start. Fires and stalls? Been running rev x for about three years? Will be testing ficm today
Details on how to test the FICM are at 17. Can I test my FICM to ensure that it is the culprit?.

If you need to take the truck to the airport where this is no option to plug it in and just have no other option, a butane torch applied VERY carefully to just warm up the entirety of the FICM case so that it is uncomfortably warm to the touch might well make the difference for you in getting the truck to start.

If your issue IS indeed the FICM, just please also check out the alternator and batteries on a bench. These modules don't kill themselves.

Hope this helps!

 
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Old Jan 29, 2017 | 10:43 AM
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tested ficm 47.8 when it was cold however I did not test it when it was running. It does fire right up after plugging in. This morning cranked 4 or 5 times no start. plugged it in 1:45 later fired right up?
 
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Old Jan 29, 2017 | 10:45 AM
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Batteries 2 year pld motorcraft 12.4 not running 14.6 with load running
 
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Old Jan 29, 2017 | 10:49 AM
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In order to have a proper FICM test, you need readings key on engine off, during cranking, and right after it starts when stone cold. Anything else will give you a false sense of reality.
 
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Old Jan 29, 2017 | 10:58 AM
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ok will retest
 
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Old Jan 29, 2017 | 10:59 AM
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Originally Posted by dant
ok will retest
Sounds like a plan!
 
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Old Jan 29, 2017 | 11:33 AM
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If you have never replaced the FICM power relay, I would suggest you do that first. It is a 70amp relay and not interchangeable with the other relays. I had similar symptoms to you and that fixed mine.
 
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Old Jan 29, 2017 | 11:54 AM
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were is that located
 
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Old Jan 29, 2017 | 04:29 PM
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47.8 during cranking and never moved once running.
 
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Old Jan 29, 2017 | 04:46 PM
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It almost under the drivers side hood spring, 3 or 4 relays in the same fuse block.

Any codes.... P0671-678 maybe?
 
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