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1990 Chevrolet C1500 Cheyenne 4.3L Excessive Emissions, Surge, MIL Lamp on
Truck starts loosing power at cruise ,then suddenly surges back to speed and cycles the problem all over [...] scan data, O2 stays rich,integrator starts leaning the counts as well as the block learn to the point that you feel the truck lose power then integra...
Summary posted 9/7/2002
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Related Documents & Media | VIN | 2GTDC14Z7L |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | OBD1 |
| Symptoms | Excessive Emissions, Surge, MIL Lamp On |
| Occurs | Under Load, Idle, Closed Loop |
| Misc. | No A/C Regular Cab |
Trouble Codes
| 45 | Always rich |
Message Closed w/Summary
Vehicle Data
1990 Chevrolet C1500 Cheyenne
| VIN | 2GTDC14Z7L |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | OBD1 |
| Symptoms | Excessive Emissions, Surge, MIL Lamp On |
| Occurs | Under Load, Idle, Closed Loop |
| Misc. | No A/C Regular Cab |
Trouble Codes
| 45 | Always rich |
Video