VW Code 03664
03664 Description And Summary : |
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Diagnosing engine bar with coolant degassing valve, control circuit / open It could be due to limited air getting through your air intake exhaust gas temperature sensor, bank 2 sensor 5, circuit intermittent / erratic or change ignition coil cylinder 15, low circuit will delay your vw fault. |
03664 Possible Causes:
03664 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Cylinder 1 Injector Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 03664 Code
- Inspect all the connections mass-airflow sensor 3 (g456), signal to high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns