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1999 GMC K1500 Sierra SLE 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy, MIL Lamp on
I tuned truck up,cap, rotor,wires,plugs,pcv valve, air filter, fuel filter, i replaced fuel pump, fuel pressure regulator, i did a complete electrical testing of all injectors and pressure test all ok. i cleaned injector through the rail. truck ran excellent a...
FIX posted 5/30/2003
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Related Documents & Media | VIN | 1GTEK19R8X |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / CSFI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy, MIL Lamp On |
| Occurs | Always, Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
1999 GMC K1500 Sierra SLE
| VIN | 1GTEK19R8X |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / CSFI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy, MIL Lamp On |
| Occurs | Always, Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Video