GMT 800 & Older GM General Discussion 2006 & Older Trucks | General Discussion

Check engine light flashing :(

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Old Apr 8, 2013 | 12:37 AM
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Default Check engine light flashing :(

Well I put a good 1,500 break in miles on my new engine and did a small WOT on her for the 1st time and noticed the flashing CE light then let go it flashed a few seconds then stopped pulled over and started looking for any issues truck drives normal no signs of miss fire or anything odd or off. I'm running 8lbs of boost using 85lb injectors any idea what it could be?
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Old Apr 8, 2013 | 01:30 AM
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I think flashing MIL means misfire. It could be a false misfire of course.
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Old Apr 8, 2013 | 01:31 AM
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hook it up to a code reader and see if theirs anything, IIRC flashing cel means a random missfire... been a while tho
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Old Apr 8, 2013 | 04:26 AM
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Only one way to find out. Scan the PCM
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Old Apr 8, 2013 | 06:01 AM
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Flashing is a missfire..... Scan it.
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Old Apr 8, 2013 | 11:30 AM
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Yeah once I get time I will go ahead and scan it, problem is I keep this truck about 45min away in storage lol
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Old Apr 8, 2013 | 11:37 AM
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Originally Posted by 62nalide
Yeah once I get time I will go ahead and scan it, problem is I keep this truck about 45min away in storage lol
You can keep your truck at my house.. I won't change a thing I swear!
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Old Apr 8, 2013 | 12:34 PM
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Garage kept? Lol I'll just take the keys lol
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Old Apr 8, 2013 | 09:33 PM
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So the only codes it threw were

Fuel pump
O2 sensors
and cam sensor

????????
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Old Apr 8, 2013 | 09:46 PM
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What where the actual codes?
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