Random Check Engine Light - Ford Powerstroke Diesel Forum
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Old 04-25-2012, 04:30 PM
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Random Check Engine Light

I searched but didn't really see this problem.
The check engine light will randomly come on in my truck. Sometimes it's for a few hours, sometimes a few days. Truck runs fine, no difference at all. Runs great either way.
Anything to be concerned with or ideas? Thanks in advance.

Peter
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Old 04-26-2012, 04:13 AM
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I know mine does it like that when the high pressure oil pump cant catch up. Example towing up a hill
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Old 05-01-2012, 02:31 PM
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Similar issue from me too.
Seems to come on around 35-40mph after around 5-10 mins of driving every time I use the truck. Not sure if it has to do with rpm, speed, temperature.
No performance issues while the CEL is on.
Plugged OBDII in but no codes registering [but just read post saying budget OBDII scanners are not effective on these vehicle?!?]

I have AFE stg2, MBRP 4" turbo back and TS6 programmer.

Any ideas????
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Old 05-01-2012, 02:50 PM
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get a decent cod reader and pull the codes. (scangauge, snap on, AE, etc) then worry about what they are
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