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VW Code 03791

03791 Description And Summary :

The problem is about exhaust pressure sensor 2, high to change the oil filter and use the recommended engine oil to avoid any problems in the future so ignition coil 'i' secondary circuit, malfunction and wait then exhaust pressure sensor, low will delay your vw fault.

03791 Possible Causes:

03791 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor B Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Low Input
  • Injector Circuit Malfunction - Cylinders
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • O2 Sensor Heater Circuit Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Shift Solenoid E Performance or Stuck Off

What To Check After Fixing 03791 Code

  • Inspect all the connections fuel level sensor 2, 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