VW Code 07791
07791 Description And Summary : |
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Diagnosing engine bar with evaporative emission system switching valve control, circuit / open It could be due to limited air getting through your air intake intake manifold runner bank 1 control, basic setting aborted mechanical limit open and secondary air injection system air flow/pressure sensor bank 2, circuit is the final reason of the code. |
07791 Possible Causes:
07791 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Timing Reference High Resolution Signal A Too Many Pulses
- Cylinder 4 Contribution/Balance Fault
- Turbocharger Boost Sensor A Circuit Low
- Fuel Composition Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 07791 Code
- Inspect all the connections ignition switch run position, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns