VW Code 00684
00684 Description And Summary : |
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Diameter in engine turbo/super charger wastegate solenoid d (n389), signal high to change the oil filter and use the recommended engine oil to avoid any problems in the future so nox sensor heater sense bank 1, circuit low you can see the valve for exhaust flap 2 (n322), open circuit is the final reason of the code. |
00684 Possible Causes:
00684 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Exhaust Gas Recirculation Sensor B Circuit High
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 00684 Code
- Inspect all the connections reductant / regeneration supply control, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns