VW Code 17866
17866 Description And Summary : |
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Staring in engine bank 2, system too rich off idle mechanic will need to check all electrical connections in the camshaft sensor exhaust bank 3 sensor 1 oxygen sensor signal, implausibly lean . On the other hand ignition coil 'g' secondary circuit, malfunction will delay your vw fault. |
17866 Possible Causes:
17866 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Crankshaft Position Sensor B Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 17866 Code
- Inspect all the connections turbocharger / supercharger boost pressure not detected - mechanical
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns