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2009 GMC Sierra 2500 HD SLT 6.0L Poor Idle Quality, Surge, Misfire, MIL Lamp on
Hi GMC techs, I have a 2009 GMC 2500 with 6.0 engine customers complaint is they started engine up in the morning a few days ago and engine ran rough and did not want to accelerate. They shut off engine and restarted with same symptoms and then check engin...
Summary posted 6/14/2022
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Related Documents & Media | VIN | 1GTHK63K69 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge, Misfire, MIL Lamp On |
| 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/Summary
Vehicle Data
2009 GMC Sierra 2500 HD SLT
| VIN | 1GTHK63K69 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge, Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
| P0300 | Multiple Misfire Detected |
Video