2002 Pontiac Grand Prix Q&A
2002 Pontiac Grand Prix Question: WHY WILL CAR NOT RUN UNLESS I SPRAY FUEL DIRECTLY INTO INTAKE- SPARK IS STRONG.
Check for injector pulse with a noid light! Post results. Need this info. first! If you dont have the GM MPFI noid light, parts store may rent/loan you one. Dont have the pressure specs here, but best i can remember that's enough. (45 psi) - pushrod