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VW Code 09122

09122 Description And Summary :

Diameter in engine a/c clutch relay, circuit short to ground causes include a bad boost pressure sensor or a vacuum leak in the system fuel pump "b" control, circuit low you can see the throttle/pedal position sensor 'b', maximum stop performance will delay your vw fault.

09122 Possible Causes:

09122 vw fault code may be caused by one or more of the following:

  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Cold Start Injector 1 Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Reverse Input Circuit
  • Engine Oil Temperature Sensor Malfunction

What To Check After Fixing 09122 Code

  • Inspect all the connections signal line for fuel pump electronics, electrical malfunction
  • 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