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1996 Pontiac Grand Am GT 2.4L Excessive Emissions
Posted to GM Driveability on 1/23/2007 6 Replies

Hi ;

This vehicle fail NOx on Emission test,we replaced CAT,check for egr passage all good,EGR shows working on scanner.

If you unplug the O2 sensor which make the car runs extremly rich and the NOx went down to 85,however,the HC went up to 109,and the CO we...

6 Replies Received (View Replies)

  Related Documents & Media  1996 Pontiac Grand Am GT

 
Message Closed w/Summary

car Vehicle Data

1996 Pontiac Grand Am GT

VIN 1G2NW12T1T
Engine2.4 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursUnder Load
Message Closed w/Summary

car Vehicle Data

1996 Pontiac Grand Am GT

VIN 1G2NW12T1T
Engine2.4 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursUnder Load