I have a 97 pontiac grand prix gtp. After you start it surges realy bad for about a minute then it smooths out. Also It starts
to miss only under boost. When you power brake it ,it doesnt.
Its been at the dealer 3 times for these same problems. They
replaced pulgs,wires,fuel filter,mass air meter, lower intake gasket, suppercharger gaskets & pcv valve. Any help you can give me will be greatly appreciated.
Optional Information:
1997 Pontiac grand prix gtp 3.8
Already Tried:
see question.
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