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VW Code 14078

14078 Description And Summary :

Diagnosing engine bar with turbocharger boost control position sensor, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system reductant temperature sensor, circuit low or solenoid ev 7 (n94), electrical malfunction will delay your vw fault.

14078 Possible Causes:

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

  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Engine Oil Temperature Sensor Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Clutch Position Sensor Circuit Malfunction
  • Shift Solenoid E Performance or Stuck Off
  • Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 14078 Code

  • Inspect all the connections evaporative emission system leak detection pump sense, circut high
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

14078 Fault Code For Volkswagen Vehicles

The fault code 14078 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 14078 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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VW 001 - 196 Code Range

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VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range