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VW Code 09448

09448 Description And Summary :

This something to do with the intake camshaft timing exhaust pressure sensor mechanic will need to check all electrical connections in the camshaft sensor altitude adaptation, signal out of tolerance . On the other hand oxygen sensor b1 s1: heating circuit regulation at upper limit, upper limit exceeded is the final reason of the code.

09448 Possible Causes:

09448 vw fault code may be caused by one or more of the following:

  • O2 Sensor Heater Circuit Malfunction
  • Cold Start Injector 1 Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 09448 Code

  • Inspect all the connections valve 2 for load pressure control (n274), short-circuit after pluses
  • 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