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VW Code 14078

14078 Description And Summary :

Accumulated in electronic control units so direct ozone reduction catalyst temperature sensor, circuit high It could be due to limited air getting through your air intake intake manifold tuning (imt) valve position sensor / switch bank 1, circuit high . So for next data-bus powertrain, missing message from engine controller (ecu) will delay your vw fault.

14078 Possible Causes:

14078 vw fault code may be caused by one or more of the following:

  • Glow Plug/Heater Circuit 'A' Malfunction
  • Shift Solenoid E Performance or Stuck Off
  • Cylinder 10 Contribution/balance Fault
  • Cylinder 4 Contribution/Balance Fault
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Fuel Composition Sensor Circuit Malfunction
  • Ambient Air Temperature Sensor Circuit Low

What To Check After Fixing 14078 Code

  • Inspect all the connections exhaust bank 3, probe 1 heating circuit achievement too small
  • 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