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1992 Chevrolet C1500 Cheyenne 4.3L Excessive Emissions
This truck failed the Mass state inspection for NOX, By a small margin 1.2 grams per mile, Co and Hc were low. We first checked EGR operation, with truck at operating temp, EGR opens with throttle snap, manually depressing egr causes stumble. Next we checked t...
FIX posted 12/21/2000
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| VIN | 1GCDC14Z8N |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / tbi |
| Emissions | fed emissions |
| Symptoms | Excessive Emissions |
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Vehicle Data
1992 Chevrolet C1500 Cheyenne
| VIN | 1GCDC14Z8N |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / tbi |
| Emissions | fed emissions |
| Symptoms | Excessive Emissions |
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