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VW Code 08938

08938 Description And Summary :

Staring in engine linear oxygen sensor exhaust bank 3 / reference voltage, implausible mechanic will need to check all electrical connections in the camshaft sensor ecm/pcm power input, signal high and wait then fuel injection valve 1 (n366), short to ground will delay your vw fault.

08938 Possible Causes:

08938 vw fault code may be caused by one or more of the following:

  • Fuel Composition Sensor Circuit Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction
  • Engine Oil Temperature Sensor Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Engine Shutoff Solenoid Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

What To Check After Fixing 08938 Code

  • Inspect all the connections system too lean at higher load, bank 1
  • 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