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1998 Chevrolet S10 2.2L Excessive Emissions
Posted to GM Driveability on 12/20/2012 25 Replies

This one has me baffled badly. No trouble codes, no misfires, runs great, no pinging, no overheating, fuel trim is 0 , new o2 sensor fluctuating quickly, add a little propane and nox goes to zero. What the hell am i missing?! i feel like i am chasing my tail! ...

25 Replies Received (View Replies)

  Related Documents & Media  1998 Chevrolet S10

 
Message Closed w/Summary

car Vehicle Data

1998 Chevrolet S10

VIN 1GCC144X1W
Engine2.2 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / efi
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursAlways
Message Closed w/Summary

car Vehicle Data

1998 Chevrolet S10

VIN 1GCC144X1W
Engine2.2 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / efi
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursAlways