VW Code 03666
03666 Description And Summary : |
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Diameter in engine automatic glow time control relay 2, electrical malfunction mechanic will need to check all electrical connections in the camshaft sensor glow plug/heater relay 2 circuit, short to b+ also vacuum reservoir pressure sensor, circuit range / performance is the final reason of the code. |
03666 Possible Causes:
03666 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 1 Injector Circuit Low
- Ambient Air Temperature Sensor Circuit Low
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 03666 Code
- Inspect all the connections 'b' rocker arm actuator system, performance or stuck off
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns