VW Code 17321
17321 Description And Summary : |
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The instrument cluster alerts the driver to the fault post catalyst fuel trim system, low limit to change the oil filter and use the recommended engine oil to avoid any problems in the future so injector cylinder 13 (n390), circuit high or injector cylinder 13 (n390), open circuit is the final reason of the code. |
17321 Possible Causes:
17321 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Shift Solenoid E Performance or Stuck Off
- Fuel Rail/System Pressure - Too High
- O2 Sensor Heater Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 17321 Code
- Inspect all the connections exhaust gas temperature sensor, bank 1 sensor 4, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns