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1988 Chevrolet C1500 Cheyenne 4.3L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on
Posted to GM Driveability on 6/14/2006 24 Replies

hi all

This one is for all you gm techs. this probelm has been going on for about 2 years now. the truck is in fair shape and runs generally perfect. accept the first minute and a half of operation. in that time the vehicle runs lean the point of it back firi...

24 Replies Received (View Replies)

  Related Documents & Media  1988 Chevrolet C1500 Cheyenne

 
Message Closed w/Summary

car Vehicle Data

1988 Chevrolet C1500 Cheyenne

VIN 2GCDC1472J
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
Emissionsca
SymptomsPoor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Misfire, MIL Lamp On
OccursOn Decel, on Accel, Idle, Intermittently

Trouble Codes

034map sensor circuit signal voltage low high vacuum
Message Closed w/Summary

car Vehicle Data

1988 Chevrolet C1500 Cheyenne

VIN 2GCDC1472J
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
Emissionsca
SymptomsPoor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Misfire, MIL Lamp On
OccursOn Decel, on Accel, Idle, Intermittently

Trouble Codes

034map sensor circuit signal voltage low high vacuum