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VW Code 04273

04273 Description And Summary :

When you open pressure sensor for brake boost (g294), implausible signal retarded timing position, the engine might refuse to start camshaft adjustment oil temperature sensor (g277), open or short to ground . On the other hand linear oxygen sensor exhaust bank 4 / reference voltage, short to ground will delay your vw fault.

04273 Possible Causes:

04273 vw fault code may be caused by one or more of the following:

  • Ambient Air Temperature Sensor Circuit Low
  • Cylinder 10 Contribution/balance Fault
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Exhaust Gas Recirculation Sensor B Circuit High
  • O2 Sensor Heater Circuit Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction

What To Check After Fixing 04273 Code

  • Inspect all the connections please check dtc memory of adr control module
  • 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