
1998 Chevrolet C3500 Cheyenne 7.4L Excessive Emissions
okay here you go guys and gals. i have this truck. it came in for a state emissions test. this truck failed for excessive hc at idle. i have replaced both upstream o2 sensors. checked all 8 plugs. gap was god and plugs looked ok. ignition system looks ok. has ...
FIX posted 10/7/2004
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Message Closed w/FIX
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VIN | 1GBKC34J1W |
Engine | 7.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / sfi |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions |
Occurs | Idle |
Misc. | Flatbed 10,000 Gvrw |
Message Closed w/FIX
Vehicle Data
1998 Chevrolet C3500 Cheyenne
VIN | 1GBKC34J1W |
Engine | 7.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / sfi |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions |
Occurs | Idle |
Misc. | Flatbed 10,000 Gvrw |