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1991 Chevrolet Lumina 3.1L Poor Idle Quality
Posted to GM Driveability on 12/15/1999

This car runs great when cold,when hot the idle will fall to 600 and stay there.I have changed most of the sensors,but still have the same problem. I have checked the system with my otc 4000, all tests look good. I would appricate any help i can get. t...

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car Vehicle Data

1991 Chevrolet Lumina

VIN 2G1WN54T4M
Engine3.1 L / 6 cyl
SymptomsPoor Idle Quality
OccursHot, on Decel
Message Closed

car Vehicle Data

1991 Chevrolet Lumina

VIN 2G1WN54T4M
Engine3.1 L / 6 cyl
SymptomsPoor Idle Quality
OccursHot, on Decel