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1988 Chevrolet Celebrity 2.8L Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp on
Posted to GM Driveability on 5/29/2001 9 Replies

hello guys,car have a code 34, black [...] vacuum reading and excessive vibrations, but at steadies at higher rpm, the mil lamp goes on and return. Is a valve job?? thank you in advance for your help!!

9 Replies Received (View Replies)

  Related Documents & Media  1988 Chevrolet Celebrity

 
Message Closed w/Summary

car Vehicle Data

1988 Chevrolet Celebrity

VIN 365AW51Y4J
Engine2.8 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / MPI
EmissionsOBDI
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp On
OccursAlways, Idle

Trouble Codes

34MAF circuit / MAP
Message Closed w/Summary

car Vehicle Data

1988 Chevrolet Celebrity

VIN 365AW51Y4J
Engine2.8 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / MPI
EmissionsOBDI
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp On
OccursAlways, Idle

Trouble Codes

34MAF circuit / MAP