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1992 Chevrolet Lumina 3.1L Excessive Emissions
Posted to GM Driveability on 1/5/2004 13 Replies

hey guys,

car came in for failing nox on emissions test, pulled the egr valve and found passages pretty badly carboned up, i thought this was going to be an easy one, nox did not come down at all after reasssembly. oxygen level seems high to me, customer stat...

13 Replies Received (View Replies)

  Related Documents & Media  1992 Chevrolet Lumina

 
Message Closed w/FIX

car Vehicle Data

1992 Chevrolet Lumina

VIN 2G1WL54T6N
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPFI
EmissionsUS FED EMISSIONS
SymptomsExcessive Emissions
OccursAlways
Message Closed w/FIX

car Vehicle Data

1992 Chevrolet Lumina

VIN 2G1WL54T6N
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPFI
EmissionsUS FED EMISSIONS
SymptomsExcessive Emissions
OccursAlways