Mechanics

PONTIAC GRAND PRIX ENGINE PROBLEM

2002 Pontiac Grand Prix • 120,000 miles

Sluggage, engine lite came on had code of p0300, seems to shift but and runs ok after getting to speed, friend though maybe vaccuum, seems to b between 2nd and 3rd.
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Guest
February 14, 2013.




P0300 Random Misfire are normally caused by vacuum leak and contaminated fuel-Could also be other things: Go to this walk thru link: http://www.2carpros.com/articles/engine-misfires-or-runs-rough

Rasmataz
Feb 14, 2013.


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