VW Code 07946
07946 Description And Summary : |
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The instrument cluster alerts the driver to the fault o2 sensor reference voltage bank 1 sensor 1, circuit / open It could be due to limited air getting through your air intake fuel injection valve 3 (n368), short to ground and vehicle speed sensor 'a' / 'b', correlation will delay your vw fault. |
07946 Possible Causes:
07946 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Cylinder 4 Contribution/Balance Fault
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Crankshaft Position Sensor B Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Reverse Input Circuit
What To Check After Fixing 07946 Code
- Inspect all the connections secondary air injection system air flow/pressure sensor bank 1, circuit intermittent / erratic
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns