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1989 Chevrolet C2500 Cheyenne 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Poor Fuel Economy, MIL Lamp on
Posted to GM Driveability on 10/29/2007 17 Replies

hi iatn tech have check every thing twice it has a code 45 rich exhaust the 02 will go to 8mv and stay there st,lt fuel trims drop. when i try to rev it slow it will not go past 2500 rpm and black smoke pours out the exhaust if i put it to the floor fast there...

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  Related Documents & Media  1989 Chevrolet C2500 Cheyenne

 
Message Closed w/FIX

car Vehicle Data

1989 Chevrolet C2500 Cheyenne

VIN 1GKDT13S02
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
Emissionsobd1
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Poor Fuel Economy, MIL Lamp On
OccursHot

Trouble Codes

45rich exhaust
Message Closed w/FIX

car Vehicle Data

1989 Chevrolet C2500 Cheyenne

VIN 1GKDT13S02
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
Emissionsobd1
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Poor Fuel Economy, MIL Lamp On
OccursHot

Trouble Codes

45rich exhaust