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1994 Chevrolet K2500 Cheyenne 5.7L Poor Fuel Economy, MIL Lamp on, Speedo Jumping
Customers original complaint was very poor gas mileage, and speedo jumping all over the [...] I first got in the truck to bring it into the shop, speedo jumped to 140 as soon as I started it and it jumped all over. When I put it on the scanner, datastream was ...
Summary posted 10/30/2003
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Related Documents & Media | VIN | 1GCGK29K2R |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / TBI |
| Emissions | Fed |
| Symptoms | Poor Fuel Economy, MIL Lamp on, Speedo Jumping |
| Occurs | Always |
Trouble Codes
| 51 | Prom Error |
| 52 | Faulty Calpak |
| 55 | ECM Error |
Message Closed w/Summary
Vehicle Data
1994 Chevrolet K2500 Cheyenne
| VIN | 1GCGK29K2R |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / TBI |
| Emissions | Fed |
| Symptoms | Poor Fuel Economy, MIL Lamp on, Speedo Jumping |
| Occurs | Always |
Trouble Codes
| 51 | Prom Error |
| 52 | Faulty Calpak |
| 55 | ECM Error |
Video