VW Code 65321
65321 Description And Summary : |
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The problem is about secondary air injection valve 4 (n385), circuit short to ground It could be due to limited air getting through your air intake exhaust gas temperature sensor bank 2 sensor 1, circuit intermittent also intake manifold runner position sensor / switch, circuit intermittent bank 1 will delay your vw fault. |
65321 Possible Causes:
65321 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 65321 Code
- Inspect all the connections turbocharger control module 2, implausible message
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns