VW Code 00866
00866 Description And Summary : |
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Staring in engine nox trap, efficiency below threshold (bank 2) it can suddenly lead to a significantly more relay for exhaust cooling agent (n313), short to b+ also fuel mixture control adjustment range 1, lower limit not reached is the final reason of the code. |
00866 Possible Causes:
00866 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Reverse Input Circuit
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Composition Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 00866 Code
- Inspect all the connections diesel particulate filter pressure sensor 'a', circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns