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2003 Chevrolet Avalanche 1500 5.3L Poor Idle Quality, Misfire, MIL Lamp on
this truck misfires at idle ,has p0300 ,on misfire screen shows #4 and #5 misfire only at [...] the rpm in raised to about 2000 it smooth.i swaped coils,injectors,wires,plugs but,it always misfires on 4 and [...] for any tips.
FIX posted 4/14/2009
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Message Closed w/FIX
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14 Replies Received
14 Replies Received
Related Documents & Media | VIN | 3GNEC13T23 |
| 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 |
| Misc. | Fed. |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2003 Chevrolet Avalanche 1500
| VIN | 3GNEC13T23 |
| 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 |
| Misc. | Fed. |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Video