Question about 2005 Chevrolet Silverado 2500HD 2WD
Computer showing fault p0303, p0306,
Cylinder 3 and 6 misfire thanks for all the info really helps me help you lol
could be plugs coil injector pcm cylinder dmg wiring etc
start by swappin coils n see if problem follows coil or stays in same cylinder
Posted on Mar 19, 2014
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Posted on Jan 02, 2017
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