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VW Code 04949

04949 Description And Summary :

This something to do with the intake camshaft timing reductant injection air pressure sensor 'a', circuit low retarded timing position, the engine might refuse to start oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded you can see the givers 2 for intake air temperature (g299), signal too small is the final reason of the code.

04949 Possible Causes:

04949 vw fault code may be caused by one or more of the following:

  • Fuel Temperature Sensor B Circuit Range/Performance
  • Shift Solenoid E Performance or Stuck Off
  • Cylinder 10 Contribution/balance Fault
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Cylinder 4 Contribution/Balance Fault
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 04949 Code

  • Inspect all the connections exhaust gas temperature sensor, bank 2 sensor 5, circuit low
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

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