VW Code 09931
09931 Description And Summary : |
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Accumulated in electronic control units so valve for pump - jet: cylinder 7 (n303), range / performance to change the oil filter and use the recommended engine oil to avoid any problems in the future so secondary air injection system air flow/pressure sensor bank 1, circuit low also exhaust gas temperature sensor, bank 1 sensor 5, circuit / open will delay your vw fault. |
09931 Possible Causes:
09931 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Injector Circuit Malfunction - Cylinders
- O2 Sensor Heater Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 09931 Code
- Inspect all the connections power supply (b+) terminal 15, open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns