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1992 Oldsmobile Cutlass Supreme 3.4L Excessive Emissions, Poor Idle Quality, Surge
Posted to GM Driveability on 2/21/2005 6 Replies

I am unable to get the NOx to come down any further... the car has failed the Nox part of the test 3 times now it's better but still twice the limit.(limit- 408 reading 818)When i first started the Nox was reading somewhere around 1580... way over the limit. i...

6 Replies Received (View Replies)

 
Message Closed w/FIX

car Vehicle Data

1992 Oldsmobile Cutlass Supreme

VIN 1G3WR11X5N
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsExcessive Emissions, Poor Idle Quality, Surge
OccursAlways

Trouble Codes

33EGR Valve Malfunction
Message Closed w/FIX

car Vehicle Data

1992 Oldsmobile Cutlass Supreme

VIN 1G3WR11X5N
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsExcessive Emissions, Poor Idle Quality, Surge
OccursAlways

Trouble Codes

33EGR Valve Malfunction