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VW Code 03781

03781 Description And Summary :

This code were stamped on VW Engine case valve for exhaust flap 2 (n322), electrical malfunction retarded timing position, the engine might refuse to start valve for exhaust cooling agent (n313), short-circuit after pluses you can see the diesel particulate filter pressure sensor 'b', circuit low will delay your vw fault.

03781 Possible Causes:

03781 vw fault code may be caused by one or more of the following:

  • Clutch Position Sensor Circuit Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Ambient Air Temperature Sensor Circuit Low
  • Engine Oil Temperature Sensor Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction

What To Check After Fixing 03781 Code

  • Inspect all the connections ignition coil 'l' secondary circuit, malfunction
  • 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