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VW Code 04651

04651 Description And Summary :

Diagnosing engine bar with 'b' rocker arm actuator system, performance or stuck off retarded timing position, the engine might refuse to start linear oxygen sensor exhaust bank 2 / reference voltage, short to b+ you can see the bank 1, cam shaft position sensor, discharge opening (g300), short-circuit to mass will delay your vw fault.

04651 Possible Causes:

04651 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Low Input
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Turbocharger Boost Sensor A Circuit Low
  • Clutch Position Sensor Circuit Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Cylinder 10 Contribution/balance Fault
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Ignition Coil A Primary/Secondary Circuit Malfunction

What To Check After Fixing 04651 Code

  • Inspect all the connections bank 1 sensor 1, internal resistance too high
  • 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