× 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
1987 Pontiac 6000 2.5L Hesitation, Misfire, MIL Lamp on
Posted to GM Driveability on 3/14/2001

ok everybody, have chased our tails on this one for a while now and think maybe i have bad replacement parts. this 2.5 4 cyl sets a hard code 42 after about 1 min after clearing and backfires through intake on accell. plug wires are iffy and email archives hav...

  Related Documents & Media  1987 Pontiac 6000

 
Message Closed w/FIX

car Vehicle Data

1987 Pontiac 6000

VIN 2G2AF51R4H
Engine2.5 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
SymptomsHesitation, Misfire, MIL Lamp On
OccursUnder Load, on Accel, Intermittently

Trouble Codes

42est
Message Closed w/FIX

car Vehicle Data

1987 Pontiac 6000

VIN 2G2AF51R4H
Engine2.5 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
SymptomsHesitation, Misfire, MIL Lamp On
OccursUnder Load, on Accel, Intermittently

Trouble Codes

42est