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2003 Chevrolet Avalanche 1500 5.3L Poor Idle Quality, Surge, Stall
Vehicle in for stalling, hard starting and surging/poor idle, backfiring. Codes present as I have listed. Smoked intake manifold and found no leaks other than a wisp from the throttle body. Tourque checked on intake bolts and was good at 10nm. Cant fault intak...
FIX posted 8/30/2007
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Related Documents & Media | VIN | 3GNEK13T62 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge, Stall |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2003 Chevrolet Avalanche 1500
| VIN | 3GNEK13T62 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge, Stall |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
| P0300 | Multiple Misfire Detected |
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