Having problems with your 1999 Pontiac Grand Prix ?

What to do if your car idle is going up and down....i tried to put a new one on it but the problem is still there...sometimes my engine stop when im on the stop light...

Posted / edited by AnonymousUser on : 17-07-2017

Answers :

It will be good that you have a good service check up than to have a fault when in traffic.
\012So have the fuel system, fuel pressure, electrics, spark intensity , timing and tuning.
Repair Help & Product Troubleshooting for 1999 Pontiac Grand Prix

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