× 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
1991 Chevrolet P30 7.4L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall
Posted to GM Driveability on 6/20/2011 5 Replies

Engine would stall and surge when it first arrived to the shop. No codes would stored nor were we able to store them. Communication with computer was hard to come by. Computer was defective. Eprom installed was not the correct unit according to vin, ecu, tbi, ...

5 Replies Received (View Replies)

  Related Documents & Media  1991 Chevrolet P30

 
Message Closed w/FIX

car Vehicle Data

1991 Chevrolet P30

VIN 1GKP37N9M3
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / TBI
EmissionsCALIFORNIA
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall
OccursAlways, Under Load, on Accel, Idle
Misc.Motor Home
Message Closed w/FIX

car Vehicle Data

1991 Chevrolet P30

VIN 1GKP37N9M3
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / TBI
EmissionsCALIFORNIA
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall
OccursAlways, Under Load, on Accel, Idle
Misc.Motor Home