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VW Code 29090

29090 Description And Summary :

Diagnosing engine bar with injector control pressure regulator, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system reductant injection air pressure sensor 'a', circuit low . So for next injection pump, timing calibration not learned is the final reason of the code.

29090 Possible Causes:

29090 vw fault code may be caused by one or more of the following:

  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Fuel Rail/System Pressure - Too High
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Injector Circuit Malfunction - Cylinders
  • Shift Solenoid E Performance or Stuck Off
  • Clutch Position Sensor Circuit Malfunction
  • O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 29090 Code

  • Inspect all the connections power supply (b+) terminal 15, low voltage
  • 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