× 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 Pontiac Grand Prix SE 3.1L ECM
Posted to GM Electrical on 1/26/2007 13 Replies

Hello Techs, I cannot communicate with this ECM. MIL is on, and this car intermittently bucks and coughs under tip in throttle, sometimes to the point of stalling. I have checked fuel pressure while test driving, no drop in pressure while stalling (approx 38ps...

13 Replies Received (View Replies)

  Related Documents & Media  1990 Pontiac Grand Prix SE

 
Message Closed w/FIX

car Vehicle Data

1990 Pontiac Grand Prix SE

VIN 1G2WJ11T7L
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedECM
ConditionsNo Communication With ECM
Misc.Coupe
Message Closed w/FIX

car Vehicle Data

1990 Pontiac Grand Prix SE

VIN 1G2WJ11T7L
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedECM
ConditionsNo Communication With ECM
Misc.Coupe