VW Code 07221
07221 Description And Summary : |
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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