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1993 Pontiac Grand Am SE 3.3L Poor Idle Quality, Surge, Stall, Poor Fuel Economy
Posted to GM Driveability on 3/15/2007 7 Replies

This one came in surging so badly it would die at stops. Found bad MAF and IAC, replaced both and cleaned the IAC passages. Same problem after parts replaced, still no codes and it does run better but still surges. Unplugged TPS to check if it was possible an ...

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car Vehicle Data

1993 Pontiac Grand Am SE

VIN 1G2NE14N5P
Engine3.3 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI / PFI
EmissionsFED
SymptomsPoor Idle Quality, Surge, Stall, Poor Fuel Economy
OccursAlways
Message Closed w/FIX

car Vehicle Data

1993 Pontiac Grand Am SE

VIN 1G2NE14N5P
Engine3.3 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI / PFI
EmissionsFED
SymptomsPoor Idle Quality, Surge, Stall, Poor Fuel Economy
OccursAlways