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1991 Chevrolet C3500 Cheyenne 7.4L Lack of Power
EGR passage way in intake is clogged. I have High Nox readings under cruise with load 2600+ ppm. I will get to that. Intake coming off! Cannot capture gas readings on dyno under FULL THROTTLE load where symptom shows its ugly head nothing out of the ordinary a...
FIX posted 9/13/2003
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Related Documents & Media | VIN | 1GCHC34NOM |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | US Fed Emissions |
| Symptoms | Lack of Power |
| Occurs | Always, Under Load, on Accel |
| Misc. | 1 Ton Dually |
Message Closed w/FIX
Vehicle Data
1991 Chevrolet C3500 Cheyenne
| VIN | 1GCHC34NOM |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | US Fed Emissions |
| Symptoms | Lack of Power |
| Occurs | Always, Under Load, on Accel |
| Misc. | 1 Ton Dually |
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