Why does my 1998 Pontiac Grand prix keep dying when its idiling

Asked by May 10, 2015 at 04:08 PM about the 1998 Pontiac Grand Prix 4 Dr SE Sedan

Question type: Maintenance & Repair

1 Answer

88,675

Dirty throttle body, dirty mass air flow sensor, plugged or inoperative ISC unit, TPS inaccurate in the idle position. Run a Key on engine off ECM test too see if anything comes up in memory.

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