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1993 Buick Regal Limited 3.8L Poor Idle Quality, Hesitation, Surge, Misfire
Posted to GM Driveability on 2/27/2002 10 Replies

I have a regal with a bad stumble on acell and what appears to be a bad misfire under load at a constant speed or acell. It will intermitantly surge at idle too. I installed new plugs and wires and swaped some known good coils. This did not change the problem....

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car Vehicle Data

1993 Buick Regal Limited

VIN 2G4WD51LXP
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsPoor Idle Quality, Hesitation, Surge, Misfire
OccursUnder Load, on Decel, on Accel, Cruise, Idle
Message Closed w/FIX

car Vehicle Data

1993 Buick Regal Limited

VIN 2G4WD51LXP
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsPoor Idle Quality, Hesitation, Surge, Misfire
OccursUnder Load, on Decel, on Accel, Cruise, Idle