× 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
1989 Pontiac Grand Prix 2.8L Poor Idle Quality, Misfire
Posted to GM Driveability on 1/10/2000

Hi Techs, I need help with this Grand Prix and its owner that are driving me crazy! The engine has a steady miss that is present at idle, up through rpm range, engine load dosent affect it. I started with checking the injectors each bank was ok, I later we...

  Related Documents & Media  1989 Pontiac Grand Prix

 
Message Closed w/FIX

car Vehicle Data

1989 Pontiac Grand Prix

VIN 1G2WP14W4K
Engine2.8 L / 6 cyl
EmissionsFED
SymptomsPoor Idle Quality, Misfire
OccursAlways
Message Closed w/FIX

car Vehicle Data

1989 Pontiac Grand Prix

VIN 1G2WP14W4K
Engine2.8 L / 6 cyl
EmissionsFED
SymptomsPoor Idle Quality, Misfire
OccursAlways