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VW Code 14303

14303 Description And Summary :

Diameter in engine fuel pressure regulator 2 control circuit low retarded timing position, the engine might refuse to start manifold absolute pressure / mass air flow - throttle position correlation at higher load also data bus powertrain, missing message from immobilizer is the final reason of the code.

14303 Possible Causes:

14303 vw fault code may be caused by one or more of the following:

  • Glow Plug/Heater Circuit 'A' Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Cylinder 4 Contribution/Balance Fault
  • Injector Circuit Malfunction - Cylinders
  • Shift Solenoid E Performance or Stuck Off
  • Clutch Position Sensor Circuit Malfunction

What To Check After Fixing 14303 Code

  • Inspect all the connections data bus powertrain, implausible message from combi instrument
  • 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