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VW Code 07221

07221 Description And Summary :

Diagnosing engine bar with turbo/super charger wastegate solenoid c (n388), electrical causes include a bad boost pressure sensor or a vacuum leak in the system o2 sensor pumping current trim bank 2 sensor 1, circuit low you can see the control module defect will delay your vw fault.

07221 Possible Causes:

07221 vw fault code may be caused by one or more of the following:

  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • O2 Sensor Heater Circuit Malfunction
  • Fuel Rail/System Pressure - Too High

What To Check After Fixing 07221 Code

  • Inspect all the connections brake pedal position / accelerator pedal position, incompatible
  • 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