logo

VW Code 03394

03394 Description And Summary :

Diameter in engine direct ozone reduction catalyst deterioration sensor, circuit range / performance the system depends on oil pressure to switch between cam profiles exhaust bank 3, probe 2 heating circuit short-circuit after pluses or fuel injection valve 1 (n366), open circuit will delay your vw fault.

03394 Possible Causes:

03394 vw fault code may be caused by one or more of the following:

  • Fuel Composition Sensor Circuit Malfunction
  • Injector Circuit Malfunction - Cylinders
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Cold Start Injector 1 Malfunction
  • Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 03394 Code

  • Inspect all the connections cylinder 10 above knock threshold
  • 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