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1991 Chevrolet Camaro Z28 5.7L Excessive Emissions
Posted to GM Driveability on 8/18/2000

I guess my biggest question is why the readings at the scanner and at the inj's are so different. The other condition I have is really wierd. Every once in awhile the readings for emiss will drop to well within passing stats, for no reason at all. After restar...

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car Vehicle Data

1991 Chevrolet Camaro Z28

VIN 1G1FP2386M
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / Tune Port MPFI
EmissionsOBD1
SymptomsExcessive Emissions
OccursAlways
Message Closed

car Vehicle Data

1991 Chevrolet Camaro Z28

VIN 1G1FP2386M
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / Tune Port MPFI
EmissionsOBD1
SymptomsExcessive Emissions
OccursAlways