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1985 Buick Century Custom 2.5L Poor Idle Quality, Stall, MIL Lamp on
Posted to GM Driveability on 5/3/1999

For Gm techs. Working on a '85 Buick Century 2.5L with a/t and a/c. problem is that the customer has been complaining of a stalling out and rough idle or surging idle just before stall. After about the third time it does this, the mil light comes on and se...

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car Vehicle Data

1985 Buick Century Custom

VIN 1G4AH19R7F
Engine2.5 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / tbi
Emissionsca emissions
SymptomsPoor Idle Quality, Stall, MIL Lamp On
OccursIdle
Misc.Calif. Car

Trouble Codes

35iac error
45O2 sensor senses rich
Message Closed

car Vehicle Data

1985 Buick Century Custom

VIN 1G4AH19R7F
Engine2.5 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / tbi
Emissionsca emissions
SymptomsPoor Idle Quality, Stall, MIL Lamp On
OccursIdle
Misc.Calif. Car

Trouble Codes

35iac error
45O2 sensor senses rich