1999 pontiac grand prix 3.8 engine wants to stall when driving almost like no gas il hit the gas pedal and nothing. doesnt do it until it gets warm it starts fine only happens when driving. exhaust smells a little rich spark plugs look bad poor gas mlg
by 
ningard29
ANSWERS: 1
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Do a complete tune-up on the engine and replace your fuel filter and get your computer tested this might lead you in the right direction please rate this answer
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