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2003 Chevrolet Avalanche 1500 5.3L Poor Idle Quality, Misfire, MIL Lamp on
Complaint is missing at idle, with check engine light on & flashing @ times. Scan tested with tech2 & seen #8 misfiring bad under 1200 rpm, & #7 about 1/2 misfires of #8. All other cylinders ok. Spark is excellant to cylinders(tried 2 diff plugs, coil, wires e...
FIX posted 11/23/2009
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Message Closed w/FIX
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25 Replies Received
25 Replies Received
Related Documents & Media | VIN | 3GNEK13T13 |
| 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 | Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2003 Chevrolet Avalanche 1500
| VIN | 3GNEK13T13 |
| 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 | Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Video