VW Code 07644
07644 Description And Summary : |
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This code were stamped on VW Engine case o2 sensor negative current control bank 2 sensor 1, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system data bus powertrain, missing message from control module level control or exhaust gas temperature sensor bank 1 sensor 2, circuit intermittent is the final reason of the code. |
07644 Possible Causes:
07644 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Rail/System Pressure - Too High
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 10 Contribution/balance Fault
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 07644 Code
- Inspect all the connections 'a rocker arm actuator control, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns