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1998 GMC Jimmy Envoy 4.3L Excessive Emissions, ECM Monitors
Posted to GM Driveability on 2/6/2014 6 Replies

I have a 1998 GMC Jimmy that I can't run the EVAP & CONVERTER monitors on. The ECM is NOT resetting itself, the fuel level is 3/4, and the ECT is above 185 degrees while driving. I tried doing the drive cycle found in alldata several times from cold start to h...

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  Related Documents & Media  1998 GMC Jimmy Envoy

 
Message Closed w/FIX

car Vehicle Data

1998 GMC Jimmy Envoy

VIN 1GKDT13W3W
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, ECM Monitors
OccursAlways
Message Closed w/FIX

car Vehicle Data

1998 GMC Jimmy Envoy

VIN 1GKDT13W3W
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, ECM Monitors
OccursAlways