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2004 GMC Sierra 1500 5.3L Poor Idle Quality, Misfire, MIL Lamp on
I replaced the intake manifold gaskets and the fuel pump. The pump was in spec on pressure but customer chose to replace it as a preventative repair. The intake gaskets were replaced because of suspicsion of a vac. leak and I swear I still hear it on the drive...
Summary posted 4/8/2010
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18 Replies Received
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Related Documents & Media | VIN | 1GTEK14T74 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Cold, Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed w/Summary
Vehicle Data
2004 GMC Sierra 1500
| VIN | 1GTEK14T74 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Cold, Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
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