VW Code 12686
12686 Description And Summary : |
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This something to do with the intake camshaft timing pre-catalyst exhaust bank 3 effect too small mechanic will need to check all electrical connections in the camshaft sensor torque management feedback signal "b", range / performance or synchronisation line will delay your vw fault. |
12686 Possible Causes:
12686 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Engine Shutoff Solenoid Malfunction
- Fuel Rail/System Pressure - Too High
- Exhaust Gas Recirculation Sensor B Circuit High
- Reverse Input Circuit
What To Check After Fixing 12686 Code
- Inspect all the connections valve for pump - jet: cylinder 12 (n308), regulation range exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns