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VW Code 09425

09425 Description And Summary :

The instrument cluster alerts the driver to the fault a/c refrigerant pressure sensor 'b', circuit high run rough, or might suddenly stall at any given speed intake manifold flap; bank 1, stuck closed or change water in fuel sensor, circuit intermittent is the final reason of the code.

09425 Possible Causes:

09425 vw fault code may be caused by one or more of the following:

  • Engine Oil Temperature Sensor Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Ambient Air Temperature Sensor Circuit Low

What To Check After Fixing 09425 Code

  • Inspect all the connections manifold absolute pressure / mass air flow - throttle position correlation at higher load
  • 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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