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1989 Chevrolet Corvette 5.7L Excessive Emissions, Poor Idle Quality, Surge, Runs Rich
Posted to GM Driveability on 12/12/2006 8 Replies

I need a little help here guys. This Corvette came in with MIL on and code for MAF and Rich Ex. It has a bad surge at idle from 850 to 500 and its running rich. It had a miss at idle and scope showed 3 cylinders with an occasional miss. Plugs were black so I r...

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  Related Documents & Media  1989 Chevrolet Corvette

 
Message Closed w/FIX

car Vehicle Data

1989 Chevrolet Corvette

VIN 1G1YY3185K
Engine5.7 L / 8 cyl / GAS
Trans6-speed Standard
DeliveryFI / TPI
EmissionsOBD1
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Runs Rich
OccursAlways
Message Closed w/FIX

car Vehicle Data

1989 Chevrolet Corvette

VIN 1G1YY3185K
Engine5.7 L / 8 cyl / GAS
Trans6-speed Standard
DeliveryFI / TPI
EmissionsOBD1
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Runs Rich
OccursAlways