VW Code 07791
07791 Description And Summary : |
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Staring in engine oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded retarded timing position, the engine might refuse to start turbocharger boost control position sensor, circuit you can see the fuel fired heater, performance will delay your vw fault. |
07791 Possible Causes:
07791 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cylinder 1 Injector Circuit Low
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 4 Contribution/Balance Fault
- Engine Oil Temperature Sensor Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 07791 Code
- Inspect all the connections exhaust bank 3 main catalyst, effectiveness too low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns