× 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
1990 Buick Regal 3.8L Poor Idle Quality, Surge, Misfire, MIL Lamp on
Posted to GM Driveability on 3/24/1999

suspect 43 was from where oil had been changed and big hand had dislodged connector for knock [...] oil filter reconn sensor and code 43 went away. now the bad running problem is still there. i have snap 2500 and while i am trying to get readings it will go bl...

  Related Documents & Media  1990 Buick Regal

 
Message Closed w/FIX

car Vehicle Data

1990 Buick Regal

VIN 2G4WB14L5L
Engine3.8 L / 6 cyl
SymptomsPoor Idle Quality, Surge, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

43esc problem
Message Closed w/FIX

car Vehicle Data

1990 Buick Regal

VIN 2G4WB14L5L
Engine3.8 L / 6 cyl
SymptomsPoor Idle Quality, Surge, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

43esc problem