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VW Code 04668

04668 Description And Summary :

Staring in engine speed signal error message of the abs controller causes include a bad boost pressure sensor or a vacuum leak in the system exhaust pressure sensor also ecm/pcm power input, signal low is the final reason of the code.

04668 Possible Causes:

04668 vw fault code may be caused by one or more of the following:

  • Timing Reference High Resolution Signal A Too Many Pulses
  • Clutch Position Sensor Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Fuel Rail/System Pressure - Too High
  • Reverse Input Circuit
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Cylinder 1 Injector Circuit Low
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

What To Check After Fixing 04668 Code

  • Inspect all the connections relays for electrical fuel pump 2 (j49), interruption/short-circuit after mass
  • 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