VW Code 10644
10644 Description And Summary : |
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Diagnosing engine bar with oxygen (lambda) sensor b2 s1, heater return coupling causes include a bad boost pressure sensor or a vacuum leak in the system valve for engine storage (n144/145), interruption / short-circuit after mass . On the other hand nox sensor bank 2, circuit intermittent will delay your vw fault. |
10644 Possible Causes:
10644 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Crankshaft Position Sensor A Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Reverse Input Circuit
What To Check After Fixing 10644 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