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VW Code 29021

29021 Description And Summary :

Diagnosing engine bar with vehicle speed sensor 'b', range / performance the system depends on oil pressure to switch between cam profiles throttle/pedal position sensor 'e', minimum stop performance you can see the oxygen sensor bank 3 sensor 1, internal resistance too large will delay your vw fault.

29021 Possible Causes:

29021 vw fault code may be caused by one or more of the following:

  • Fuel Composition Sensor Circuit Malfunction
  • Shift Solenoid E Performance or Stuck Off
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Injector Circuit Malfunction - Cylinders
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Ignition/Distributor Engine Speed Input Circuit Malfunction

What To Check After Fixing 29021 Code

  • Inspect all the connections ignition coil cylinder 13, high circuit
  • 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