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1991 Chevrolet Lumina Z34 3.4L Excessive Emissions
Posted to GM Driveability on 8/13/2004 10 Replies

hi everybody :

this car failed e-test high Nox 2208 ppm at cruise !! I changed the O2,cat,removed plenum clean the egr passage (it was plug up solid !!),after I clean up the passage and I tested the egr valve my feeding 12 volts to 1 of each 3 terminal of the...

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  Related Documents & Media  1991 Chevrolet Lumina Z34

 
Message Closed w/Summary

car Vehicle Data

1991 Chevrolet Lumina Z34

VIN 2G1WP11X92
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsExcessive Emissions
OccursNot Applicable
Message Closed w/Summary

car Vehicle Data

1991 Chevrolet Lumina Z34

VIN 2G1WP11X92
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsExcessive Emissions
OccursNot Applicable