VW Code 07644
07644 Description And Summary : |
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This code were stamped on VW Engine case charging system, voltage low retarded timing position, the engine might refuse to start fuel cap sensor / switch, circuit intermittent / erratic . So for next nox trap, efficiency below threshold (bank 2) is the final reason of the code. |
07644 Possible Causes:
07644 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Fuel Rail Pressure Sensor Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- O2 Sensor Heater Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 07644 Code
- Inspect all the connections nox sensor heater sense bank 2, circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns