× 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 Cuts out, Misfire, MIL Lamp on
Posted to GM Driveability on 6/2/2005 28 Replies

Car runs good cold, but after good warm up spits, sputters and stalls. Snapon scanner starts to wig out, coolant temp goes from normal to -14. O2 reads lean extreme, tps readings jump to 4.40 when this spitting and sputtering starts. Code 42 shows up on scanne...

28 Replies Received (View Replies)

  Related Documents & Media  1990 Buick Regal

 
Message Closed w/FIX

car Vehicle Data

1990 Buick Regal

VIN 2G4WB14L5L
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / PFI
EmissionsCA
SymptomsCuts Out, Misfire, MIL Lamp On
OccursHot

Trouble Codes

42est problem
Message Closed w/FIX

car Vehicle Data

1990 Buick Regal

VIN 2G4WB14L5L
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / PFI
EmissionsCA
SymptomsCuts Out, Misfire, MIL Lamp On
OccursHot

Trouble Codes

42est problem