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2005 GMC Sierra 1500 5.3L MIL Lamp on
Vehicle has been to my shop on three occasions with MIL on and PO171 stored. Vehicle has no running problems. All of the data looks normal. Fuel trims always look in spec. Can not find any vacuum leaks. I can clear the codes and MIL will stay off for about a w...
FIX posted 8/7/2010
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Message Closed w/FIX
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17 Replies Received
17 Replies Received
Related Documents & Media | VIN | 2GTEK13T75 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Message Closed w/FIX
Vehicle Data
2005 GMC Sierra 1500
| VIN | 2GTEK13T75 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
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