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1998 Chevrolet K1500 Cheyenne 5.7L Poor Fuel Economy
Customer started complaining about poor fuel economy after we installed new fuel pump module assembly (OE GM). He was getting 16 mpg before his pump failed and now is getting 10 - 10.5 mpg. We verified ignition system, all in exellent shape, tested fuel pressu...
Summary posted 2/17/2003
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Related Documents & Media | VIN | 1GCEK19R1W |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / Vortec |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy |
| Occurs | Always |
Message Closed w/Summary
Vehicle Data
1998 Chevrolet K1500 Cheyenne
| VIN | 1GCEK19R1W |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / Vortec |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy |
| Occurs | Always |
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