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1999 GMC C3500 Sierra SL 5.7L MIL Lamp on
We have this GMC we are going in circles with. We keep getting a repeat of codes P0172 and P0175 banks one and two rich. All data seems to be right on the money and we sent it to a smog test facility to get some readings. Nothing indicates a rich condition. I ...
Summary posted 8/27/2002
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Related Documents & Media | VIN | 1GDGC34R4X |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / CSFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0175 | Fuel System Too Lean (Bank 2) |
Message Closed w/Summary
Vehicle Data
1999 GMC C3500 Sierra SL
| VIN | 1GDGC34R4X |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / CSFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0175 | Fuel System Too Lean (Bank 2) |
Video