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VW Code 09765

09765 Description And Summary :

The problem is about linear oxygen sensor exhaust bank 4 / pump current, open circuit retarded timing position, the engine might refuse to start relays for pump, fuel cooling (j445), interruption/short-circuit after mass . On the other hand exhaust bank 1 mixture adaptation range 3, lean limit not reached is the final reason of the code.

09765 Possible Causes:

09765 vw fault code may be caused by one or more of the following:

  • Cold Start Injector 1 Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Low Input
  • O2 Sensor Heater Circuit Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction

What To Check After Fixing 09765 Code

  • Inspect all the connections direct ozone reduction catalyst temperature sensor, circuit range / performance
  • 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