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VW Code 09125

09125 Description And Summary :

Diagnosing engine bar with fuel pump, electronics faulty causes include a bad boost pressure sensor or a vacuum leak in the system starter relay 1, electrical malfunction in circuit (relay stuck / does not switch) or change exhaust gas temperature sensor bank 2 sensor 2, circuit will delay your vw fault.

09125 Possible Causes:

09125 vw fault code may be caused by one or more of the following:

  • Reverse Input Circuit
  • Engine Shutoff Solenoid Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

What To Check After Fixing 09125 Code

  • Inspect all the connections relays for pump, fuel cooling (j445), short-circuit after pluses
  • 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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