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2012 Chevrolet Impala LS 3.6L MIL Lamp on
Returning lean codes post purge valve repair are proving difficult to prove out a cause. Intake gaskets are new, cannot find any vacuum leaks with smoke or carb cleaner. fuel trims are as follows: Idle bank 1 20, bank 2 30 2000 rpm bank 1 18, bank 2 27 cruisin...
Summary posted 2/2/2016
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Related Documents & Media | VIN | 2G1WF5E36C |
| Engine | 3.6 L / 6 cyl / FLEX |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection / GDI |
| 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) |
| P0496 | EVAP Canister System High Purge Flow |
Message Closed w/Summary
Vehicle Data
2012 Chevrolet Impala LS
| VIN | 2G1WF5E36C |
| Engine | 3.6 L / 6 cyl / FLEX |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection / GDI |
| 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) |
| P0496 | EVAP Canister System High Purge Flow |
Video