2000 Pontiac Grand Prix Air flow sensor or EGR valve

2000 PONTIAC GRAND PRIX
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REDHEAD1DF
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Engine Performance problem
2000 Pontiac Grand Prix 6 cyl Front Wheel Drive Automatic

Hesitates, poor gas mileage no check engine light coming on.
Mar 2, 2009 at 1:41 PM
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MMPRINCE4000
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Check fuel pressure and spark first.

EGR flow at idle will cause engine to stumble and die.

MAF sensor SHOULD set a code. but remove the air hose to it and check for debris, DO NOT TOUCH wires in MAF.
Mar 3, 2009 at 9:15 AM