Check gas cap? 2004 Pontiac Grand Prix?

M

melissax1972

New member
I have a 2004 Pontiac Grand Prix, my check gas cap and service engine soon light keeps popping back on. I took it in to the pontiac dealer to be fixed they said that my fuel injection system, and my entire fuel system needed to be cleaned I paid 400.00 dollars and took my car. I thought the problems was fixed until I recently went to take my emissions and it rejected my car they said I needed to drive the car more because my gages or whatever hadn't reset...today as a matter of fact I called my service advisor from pontiac and they agreed. They reassured that those light wouldn't come back on the problem was fixed just drive the car. Guess what? The lights have come back on..I'm taking it back to the dealer tomorrow but I don't want to keep paying for things I don't need. Please don't say its the convertor because I have already done that as well(and I had to purchase the original one1200.00 dollars!) it's the only one that would work right with the grand prix, I use 93 octane gas, and yes I did replace my gas gap(three times to be exact) factory installed. Any advice I would appreciate
 
You might can reset the com. and lights be removing the negative wire on the battery. The air temp sensor went out in my wifes cavalier when i replaced it the light still came on. I disconnected the neg wire for a few hours then hooked it back up and it has been of since. the shop might do this and charge an arm and a leg.
 
In order to be of use to you, please try to obtain the code that the check engine light is prompting. By the way, you got taken for a ride on the catalytic converter. Any muffler shop could have replaced it for about $250 and it would have worked absolutely fine.
 
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