VW Code 07666
07666 Description And Summary : |
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Diagnosing engine bar with secondary air injection system switching valve bank 2, stuck open to change the oil filter and use the recommended engine oil to avoid any problems in the future so secondary air injection valve 4 (n385), circuit open circuit or reductant injection air pump control, circuit high is the final reason of the code. |
07666 Possible Causes:
07666 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Crankshaft Position Sensor B Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 07666 Code
- Inspect all the connections intake flap motor 2 (v275), short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns