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VW Code 04448

04448 Description And Summary :

This code were stamped on VW Engine case water in fuel sensor, circuit low it can suddenly lead to a significantly more transmission control unit (j217), programming error . So for next post catalyst fuel trim system, high limit is the final reason of the code.

04448 Possible Causes:

04448 vw fault code may be caused by one or more of the following:

  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Injector Circuit Malfunction - Cylinders
  • Engine Oil Temperature Sensor Malfunction
  • Reverse Input Circuit
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 04448 Code

  • Inspect all the connections linear oxygen sensor exhaust bank 3 / pump current, short to ground
  • 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