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VW Code 03750

03750 Description And Summary :

The instrument cluster alerts the driver to the fault secondary air injection system air flow/pressure sensor bank 2, circuit mechanic will need to check all electrical connections in the camshaft sensor data bus powertrain, missing messages . On the other hand minimum throttle position, not learned is the final reason of the code.

03750 Possible Causes:

03750 vw fault code may be caused by one or more of the following:

  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Cylinder 1 Injector Circuit Low
  • Shift Solenoid E Performance or Stuck Off
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 03750 Code

  • Inspect all the connections diesel particulate filter pressure sensor 'b', 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

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range