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1996 Chevrolet C3500 7.4L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy
Vortec 454, Chassis Cab with 10.5K lb GVWR. Engine starts and runs poorly yet. Bank 1 LTFT has slowly risen to +25% while Bank 2 LTFT cut back to -7%. STFT is B1+13% and B2-3%. IAC is somewhere in the 140 zone. Simple vacuum gauge hooked up to the PCV port pul...
FIX posted 10/7/2015
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Message Closed w/FIX
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15 Replies Received
15 Replies Received
Related Documents & Media | VIN | [No VIN Available] |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy |
| Occurs | Always |
| Misc. | Chassis Cab 7.4L VIN J |
Message Closed w/FIX
Vehicle Data
1996 Chevrolet C3500
| VIN | [No VIN Available] |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy |
| Occurs | Always |
| Misc. | Chassis Cab 7.4L VIN J |
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