× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1991 Chevrolet Lumina 3.1L Poor Idle Quality, Surge, Cuts out, Stall
Posted to GM Driveability on 9/18/1999

This one has been a pain in my back side. The car runs fine when cold but as soon as it is warm and in closed loop the fuel trim starts adding fuel. I thought I had found the problem the upper intake gasket was not seated in the corner. Found that the upper in...

  Related Documents & Media  1991 Chevrolet Lumina

 
Message Closed

car Vehicle Data

1991 Chevrolet Lumina

VIN 2G1W154T2M
Engine3.1 L / 6 cyl
EmissionsOBDI
SymptomsPoor Idle Quality, Surge, Cuts Out, Stall
OccursHot
Message Closed

car Vehicle Data

1991 Chevrolet Lumina

VIN 2G1W154T2M
Engine3.1 L / 6 cyl
EmissionsOBDI
SymptomsPoor Idle Quality, Surge, Cuts Out, Stall
OccursHot