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1999 Pontiac Grand Prix GT 3.8L Hesitation, Surge
Posted to GM Driveability on 12/21/2006 7 Replies

customer complaint of engine surge on light acceleration or going up grade. no codes set. replaced plugs, wires, fuel filter (pressure ok). i cleaned the maf and replaced the tps - no change. i flushed the injectors - seemed better. car returned 10,000 km late...

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car Vehicle Data

1999 Pontiac Grand Prix GT

VIN 1G2WP52K5X
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsHesitation, Surge
OccursUnder Load, on Accel, Intermittently
Message Closed w/FIX

car Vehicle Data

1999 Pontiac Grand Prix GT

VIN 1G2WP52K5X
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsHesitation, Surge
OccursUnder Load, on Accel, Intermittently