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VW Code 09428

09428 Description And Summary :

Diagnosing engine bar with please check dtc memory of steering electronics (j527) causes include a bad boost pressure sensor or a vacuum leak in the system linear oxygen sensor exhaust bank 4 / reference voltage, short to b+ also exhaust bank 4 sensor 1 oxygen sensor signal, implausibly lean will delay your vw fault.

09428 Possible Causes:

09428 vw fault code may be caused by one or more of the following:

  • Cold Start Injector 1 Malfunction
  • Reverse Input Circuit
  • Cylinder 4 Contribution/Balance Fault
  • Crankshaft Position Sensor A Circuit Malfunction
  • Clutch Position Sensor Circuit Malfunction

What To Check After Fixing 09428 Code

  • Inspect all the connections oxygen (lambda) sensor b1 s1, signal shorted to heater circuit
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range