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1990 PONTIAC GRAND AM RUNNING TERRIBLE
1990 Pontiac Grand Am
Its running terrible and when you hit the gas it will backfire I changed the quals and everything thats not it I have no idea what it could be got any suggestions
Tuesday, June 24th, 2014 AT 3:09 AM
Scan for codes and check fuel pressure with a gauge first autoparts rent the gauge. Then check compression and look for a vacuum leak
Tuesday, June 24th, 2014 AT 6:00 AM
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