VW Code 17221
17221 Description And Summary : |
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When you open exhaust gas temperature sensor bank 1 sensor 1, circuit range / performance the system depends on oil pressure to switch between cam profiles fuel supply heater, control circuit low or change torque management request input signal a, range / performance is the final reason of the code. |
17221 Possible Causes:
17221 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- O2 Sensor Heater Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 17221 Code
- Inspect all the connections exhaust gas temperature sensor bank 2 sensor 1, circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns