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VW Code 18494

18494 Description And Summary :

The instrument cluster alerts the driver to the fault reductant injection air pump control, circuit / open It could be due to limited air getting through your air intake camshaft adjustment oil temperature sensor (g277), short to b+ or change exhaust bank 3, probe 1 no activity will delay your vw fault.

18494 Possible Causes:

18494 vw fault code may be caused by one or more of the following:

  • Fuel Rail/System Pressure - Too High
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Engine Oil Temperature Sensor Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction
  • Engine Shutoff Solenoid Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 18494 Code

  • Inspect all the connections oxygen (lambda) sensor b2 s1, pump current, open circuit
  • 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