× 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 Camaro RS 5.0L Excessive Emissions, Misfire
Posted to GM Driveability on 9/25/2001 5 Replies

Failed IM240 HC 2.61 gpm specs 0.80, CO is fine 3.0 gpm.I'm getting a partial misfire under load, it's very visible at O2 waveform but you can't feel it. runs ok during test [...] has rebuilt motor with [...], integrator and block learn are close to 128 at idl...

5 Replies Received (View Replies)

  Related Documents & Media  1991 Chevrolet Camaro RS

 
Message Closed w/Summary

car Vehicle Data

1991 Chevrolet Camaro RS

VIN 1G1FP23E5M
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI
EmissionsUS Fed emissions
SymptomsExcessive Emissions, Misfire
OccursUnder Load
Misc.Tbi
Message Closed w/Summary

car Vehicle Data

1991 Chevrolet Camaro RS

VIN 1G1FP23E5M
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI
EmissionsUS Fed emissions
SymptomsExcessive Emissions, Misfire
OccursUnder Load
Misc.Tbi