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1991 Oldsmobile 98 Regency Elite 3.8L Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy
Posted to GM Driveability on 8/5/2005 17 Replies

Car started about a week ago just missing under heavy accel. on the highway and now even runs rough. Runs great at idle, but under load seems to break down. Ign. timing seems to retard when accel. under load with brake on. Any ideas.

17 Replies Received (View Replies)

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car Vehicle Data

1991 Oldsmobile 98 Regency Elite

VIN 1G3CW53LM4
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefI
Emissionsobdl
SymptomsPoor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy
OccursAlways, Under Load
Message Closed w/FIX

car Vehicle Data

1991 Oldsmobile 98 Regency Elite

VIN 1G3CW53LM4
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefI
Emissionsobdl
SymptomsPoor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy
OccursAlways, Under Load