...GTP is run colder range copper core plugs and/or any brand of cold air intake, or even a stand alone 9" open element cone filter. Both are better than stock and provide more airflow even though the ...
...99 grand prix gtp supercharged 3.8 series 2 motor it starts right up runs fine at idle for 2 minutes then shuts down if i feather the throttle and keep it reving it stays running but when i let off ...
99 grand prix gtp 3.8 it constantly idles up and down never a consistant smooth idle check and see if you have a vaccum leak.check the vaccum hose that goes to the fuel pressure regulator.check the ...
...is by the batt. pump runs through it in run, not for 3 sec. when key is turned on. thats why it will start and then quit this happend to my 99 gtp It's likely the TPS. Common but easy problem to
...99 gtp with a 3.8 supercharger and it will start then die almost imediatley there is second relay(resistor) in this system that boosts the fuel pressure for the supercharger and is located on the ...
...99 grand prix gtp, ECM, TPS, MAF, IAC, coil packs, EGR and found no change. I have removed and flushed the radiator inspected the fans. I have checked for grounds at the PCM on the motor found good ...
...99 grand prix gtp. Th ed car dies while driving and sometimes doesnt start. I put a new fuel filter, maf sensor, iat sensor. At times it wont start in the morning. It runs good besides this. A friend ...
Question about Pontiac Grand Prix
99 Grand Prix GTP,Changed fuel filter, will idle now, still won't car died going up a hill, got it home, would crank over but would not stay running, sprayed starting fluid in the air intake, ran fine
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