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1996 GMC K1500 Sierra SL 5.7L MIL Lamp on
Truck Keeps Seting Codes PO172 And PO175 Both Banks Rich Found No Vac Leaks, Fuel Preasure Good And Holds. Have Tuned Engine Replaced Cap, Rotor, [...] Filter, Fuel Filter, And plugs. O2s Look Good On Scan. Owner Has To drive Almost A Week To Set Light. Thanks...
FIX posted 4/24/2001
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| VIN | [No VIN Available] |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | After Driving About 1 Week |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0175 | Fuel System Too Lean (Bank 2) |
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Vehicle Data
1996 GMC K1500 Sierra SL
| VIN | [No VIN Available] |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | After Driving About 1 Week |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0175 | Fuel System Too Lean (Bank 2) |
Video