VW Code 18791
18791 Description And Summary : |
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When you open throttle/pedal position sensor / switch 'e', circuit range / performance retarded timing position, the engine might refuse to start transmission mount valve 1 (n262), open circuit and control module defective will delay your vw fault. |
18791 Possible Causes:
18791 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Clutch Position Sensor Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Rail/System Pressure - Too High
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 18791 Code
- Inspect all the connections air leak between throttle body and intake valves
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns