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1992 Oldsmobile Cutlass Ciera 3.3L Excessive Emissions
Posted to GM Driveability on 8/1/2005 9 Replies

car came in for an emmision fail. nox being the failure with 1001 ppm with cut point at 450. replaced 02 sensor, cleaned maf sensor replace cat with aftermarket,decarboned upper intake and run a motovac as well with no improvement. maf readings are 5 to 6 gram...

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Message Closed w/Summary

car Vehicle Data

1992 Oldsmobile Cutlass Ciera

VIN 1G3AL51N5N
Engine3.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsExcessive Emissions
Message Closed w/Summary

car Vehicle Data

1992 Oldsmobile Cutlass Ciera

VIN 1G3AL51N5N
Engine3.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsExcessive Emissions