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VW Code 09703

09703 Description And Summary :

Diagnosing engine bar with fuel pump "b", low flow / performance the system depends on oil pressure to switch between cam profiles glow plug / heater indicator (k29), circuit open / short to ground also exhaust pressure regulator vent solenoid, control circuit / open will delay your vw fault.

09703 Possible Causes:

09703 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)
  • Clutch Position Sensor Circuit Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Ambient Air Temperature Sensor Circuit Low
  • Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 09703 Code

  • Inspect all the connections oxygen (lambda) sensor b1 s1, heater return coupling
  • 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