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1988 Chevrolet C1500 Cheyenne 5.7L Excessive Emissions
Posted to GM Driveability on 3/14/2001

pickup is running extremely rich. cannot seem to locate the problem. have replaced the egr, ecm, map,idle air control motor, throttle position sensor, egr controller,

enging temp sensor.

the pickup was operating fine then all at once it started

runnung ex...

  Related Documents & Media  1988 Chevrolet C1500 Cheyenne

 
Message Closed w/FIX

car Vehicle Data

1988 Chevrolet C1500 Cheyenne

VIN 1GCDC14K9J
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI
EmissionsOBD1
SymptomsExcessive Emissions
OccursAlways
Message Closed w/FIX

car Vehicle Data

1988 Chevrolet C1500 Cheyenne

VIN 1GCDC14K9J
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI
EmissionsOBD1
SymptomsExcessive Emissions
OccursAlways