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VW Code 09703

09703 Description And Summary :

Accumulated in electronic control units so valve for pump - jet, cylinder 5 (n244), electrical malfunction causes include a bad boost pressure sensor or a vacuum leak in the system fuel pump circuit, electrical malfunction you can see the o2 sensor signal bank 1 sensor 2, biased / stuck rich will delay your vw fault.

09703 Possible Causes:

09703 vw fault code may be caused by one or more of the following:

  • Ambient Air Temperature Sensor Circuit Low
  • Fuel Composition Sensor Circuit Malfunction
  • Cold Start Injector 1 Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Ignition Coil A Primary/Secondary Circuit Malfunction

What To Check After Fixing 09703 Code

  • Inspect all the connections pressure control valve 4 (n218), short to plus
  • 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