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VW Code 034

034 Description And Summary :

The instrument cluster alerts the driver to the fault valve for pump - jet: cylinder 8 (3040), electrical malfunction mechanic will need to check all electrical connections in the camshaft sensor charge pressure fan relay (j712), open or change injector control pressure sensor, circuit intermittent will delay your vw fault.

034 Possible Causes:

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

  • Crankshaft Position Sensor A Circuit Low Input
  • Crankshaft Position Sensor B Circuit Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Cylinder 1 Injector Circuit Low

What To Check After Fixing 034 Code

  • Inspect all the connections kick down switch, error message from engine contr.
  • 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