Question about 2002 Pontiac Grand Am
2002 grand am, auto, 3.4 V6, bought used about 6 months ago. Did run like a dream performance wise, but became progressively sluggish accelerating. Performance of a 4 cyl or less now. Runs quiet and great other then that really???
Leaky intake or bad injector try unplugging injectors while running 1 at a time replace plug while running to find bad injector good injector changes rpm bad one does not witchever one does not change rpm is the bad injector
Posted on Jul 20, 2009
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Posted on Jan 02, 2017
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