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2002 GMC Sierra 1500 SL 4.3L MIL Lamp on
This truck came in with a complaint of hard starting hot and MIL illuminated. P0172 was retrieved. Fuel trims were -27 and -25 long term. After removing the throttle body, fuel could be seen dripping from the fuel pressure regulator. A new regulator was instal...
Summary posted 10/5/2015
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Related Documents & Media | VIN | 2GTEC19W22 |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / MFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/Summary
Vehicle Data
2002 GMC Sierra 1500 SL
| VIN | 2GTEC19W22 |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / MFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Video