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1998 GMC K2500 Sierra SL 5.7L Poor Fuel Economy
shop says knock sensor is at fault after 2 weeks of testing . no codes, only drivability isssue is noisy(lazy) lifter since engine rebuild . has anyone else ever seen a knock sensor pass all tests and yet cause this problem shop says lifter is not causing this...
Summary posted 10/15/2007
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Related Documents & Media | VIN | NONE VINR |
| 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 |
| Misc. | Hd Truck New Engine |
Message Closed w/Summary
Vehicle Data
1998 GMC K2500 Sierra SL
| VIN | NONE VINR |
| 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 |
| Misc. | Hd Truck New Engine |
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