05' 6.0 PSTD newbie no start - Ford Powerstroke Diesel Forum
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Old 03-10-2014, 03:10 PM
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Angry 05' 6.0 PSTD newbie no start

Help! Stuck in parking lot. Engine start sounds like firing on 1/2 cylinders & idle won't go above 400 rpm and stalls when I step on brake or accel. Step on accel peddle and nothing. Hold peddle to floor and maybe it might rev up. Happens all of a sudden, pop, and then it runs fine. Happens intermittently. Can someone point me to a good thread on this?
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Old 03-18-2014, 09:29 AM
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Typically, when a 6.0L runs below normal idle speed and recovers intermittently its due to a biased ICP sensor. The next time your condition occurs, try unplugging the ICP sensor and try to start the engine. If it runs on eight, and seems ok, replace the ICP sensor and its connector. Another possible cause is FICM MPWR slow to build, but diagnosis of that would require monitoring equipment.
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Old 03-18-2014, 10:10 AM
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Thanks Winnersdieseltech

Got the truck to a dealer. They checked codes and started at both hot and cold. No problems detected. No codes. My '05 truck is lightly used w/ 76000 miles. Just got wind of lawsuits in progress. Don't know what to do to fix and it sounds like I'm going through what a lot of guys have gone through with this crappy engine.

Suggestions of a helpful nature would be appreciated
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Old 03-18-2014, 10:33 AM
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Quote:
Originally Posted by mrz333 View Post
Just got wind of lawsuits in progress.


You have been on this site longer than me, but what I would recommend is a little light reading in the threads we have around here on the 6.0

Then either fixing or selling, if you are fixing the dealership wont be the answer.

Also with you hauling, you may want to get a monitor if you havent already. those stats will help these guys troubleshoot and save you some headache.

Last edited by Heavy_GD; 03-18-2014 at 10:43 AM.
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Old 03-18-2014, 05:04 PM
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If there are no codes, its actually even MORE likely that its just a biased ICP sensor. The reason that this will not set a code is that the sensor reads pressure Key On Engine Off that is within range of what PCM wants to see, so it wont throw a circuit code. What it will do, however is starve the engine for fuel, as the system thinks it has more ICP than it actually does.
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Old 03-29-2014, 01:28 PM
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Something similar happened to me , no codes. Took to dealer had bad injectors. You could try to bubble test to check injectors. Just YouTube bubble test for 6.0 easy to do.
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