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1992 Chevrolet G20 Chevy Van 5.7L Excessive Emissions, Poor Idle Quality, Misfire
Posted to GM Driveability on 4/11/2005 5 Replies

Customer is experiencing rough idle at times - emission readings at the test station are 300-675 HC at idle - however it has been as low as 117 at the shop and passing fine - this situation appears intermiiten - all other readings ok - has a new 02 sensor and ...

5 Replies Received (View Replies)

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car Vehicle Data

1992 Chevrolet G20 Chevy Van

VIN 1GEBG25K2M
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsExcessive Emissions, Poor Idle Quality, Misfire
OccursIdle, Intermittently
Message Closed w/FIX

car Vehicle Data

1992 Chevrolet G20 Chevy Van

VIN 1GEBG25K2M
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsExcessive Emissions, Poor Idle Quality, Misfire
OccursIdle, Intermittently