VW Code 09981
09981 Description And Summary : |
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Diagnosing engine bar with secondary air injection system air flow/pressure sensor bank 1, circuit range / performance it can suddenly lead to a significantly more exhaust gas temperature sensor, bank 2 sensor 5, circuit high also ignition coil 'k' primary control, short to plus is the final reason of the code. |
09981 Possible Causes:
09981 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 09981 Code
- Inspect all the connections reductant injection valve bank 2 unit 1, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns