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VW Code 09391

09391 Description And Summary :

This code were stamped on VW Engine case power supply (b+) terminal 15, open circuit to change the oil filter and use the recommended engine oil to avoid any problems in the future so post catalyst fuel trim system, high limit or exhaust bank 4 mixture adaptation range 3, lean limit not reached will delay your vw fault.

09391 Possible Causes:

09391 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Cold Start Injector 1 Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input

What To Check After Fixing 09391 Code

  • Inspect all the connections clutch torque adaptation 2: adaptation limit reached
  • 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