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1999 Chevrolet Tahoe LS 5.7L Misfire, Poor Fuel Economy
This problem has been occuring for about 6 months. If you are acending a light to moderate grade at moderate throttle {[...]} mostly with the a/c on the truck will hold in 3rd gear and begin misfiring. This condition is more of a jumping and a vibration. Then,...
FIX posted 10/30/2003
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Related Documents & Media | VIN | 1GNEK13R8X |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, Poor Fuel Economy |
| Occurs | Under Load, Climbing a Grade in 3rd Gear |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed
Vehicle Data
1999 Chevrolet Tahoe LS
| VIN | 1GNEK13R8X |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, Poor Fuel Economy |
| Occurs | Under Load, Climbing a Grade in 3rd Gear |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Video