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Old 12-08-2020, 03:37 PM   #6
richard2717
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Join Date: Oct 2011
Location: Eastern Shore of MD
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Re: 2006 chevy express 6.0 codes

Quote:
Originally Posted by weq92f View Post
.

Misfire code have an associated cylinder? If so, swap a coil pack or plug around see if code moves with coil pack or plug.

...

Hth,

-klb
I have cleared the codes a couple times. I bought some MAF cleaner and spray cleaned that as directed on the can and thought that fixed it but after about 250 miles or so the light came back on. before that it seemed like I did not get much over 100 before it came on. The random misfire code only popped up once or twice and has not since I cleaned the MAF sensor. The motor still has a noticeable stumble while idling in gear at a stop light or such.
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