VW Code 12791
12791 Description And Summary : |
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Accumulated in electronic control units so fuel injector group 'c' supply voltage, circuit low It could be due to limited air getting through your air intake ignition switch accessory position, circuit . So for next intake manifold tuning (imt) valve position sensor / switch bank 1, circuit is the final reason of the code. |
12791 Possible Causes:
12791 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Fuel Rail Pressure Sensor Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Composition Sensor Circuit Malfunction
- Reverse Input Circuit
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 12791 Code
- Inspect all the connections hydraulic actuator position sender (g302), upper limit exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns