× 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
1988 Pontiac 6000 2.5L Hesitation, Surge
Posted to GM Driveability on 1/4/2001

Good evening techs. I have this 1988 Pont. 6000 with a 2.5L distributor less engine. It has a hard code 42- Electronic spark timing code. There is no 5 volts on the by-pass wire. I have seen a square wave on the ref. high wire and the EST wire but no 5 volts o...

  Related Documents & Media  1988 Pontiac 6000

 
Message Closed w/FIX

car Vehicle Data

1988 Pontiac 6000

VIN 1G2AF51R6J
Engine2.5 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
EmissionsOBD 1
SymptomsHesitation, Surge
OccursAlways
Misc.4 Door

Trouble Codes

42est
Message Closed w/FIX

car Vehicle Data

1988 Pontiac 6000

VIN 1G2AF51R6J
Engine2.5 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
EmissionsOBD 1
SymptomsHesitation, Surge
OccursAlways
Misc.4 Door

Trouble Codes

42est