Research those trouble codes online to see what the possible causes for them are.Some may be unrelated, like O2 sensor codes for example, and those indicating failed sensors may be triggered by loose or dirty electrical connections which is a huge problem on older cars. In other words, do your homework first, then start spending money on parts. With all that said, a plugged catalytic converter came to mind, so check that out, or have a muffler shop check it for you.
06 Grand Prix GXP 5.3 engine bogs down on easy acceleration and steady speeds. Showing 3 codes p0102, p0103, p0113
2006 Pontiac Grand Prix GXP
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Maintenance & Repair
It starts with a jump start but doesnt seem to have power to lights or acceleration, what coukd be the problem?
Pontiac Grand Prix
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Maintenance & Repair
Lose if power car viberates at increased speeds
2005 Pontiac Grand Prix GXP
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Maintenance & Repair
car sputters alot and will die at any time during idle or drive. it will run fine for a few then goes into choke mode and just dies.takes a few turns to get it started again but once started it will...
2000 Pontiac Grand Prix SE
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Maintenance & Repair
was like pre ignition. next hard acceleration bad noise and sut down. shakes bad and loud knocking sound. no codes stored.
2004 Pontiac Grand Prix GTP
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Maintenance & Repair
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