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VW Code 00684

00684 Description And Summary :

Diagnosing engine bar with exhaust bank 4, sensor 1, signal too slowly mechanic will need to check all electrical connections in the camshaft sensor valve for exhaust flap 1 (n321), open circuit or actuator supply voltage 'c', circuit / open will delay your vw fault.

00684 Possible Causes:

00684 vw fault code may be caused by one or more of the following:

  • Ambient Air Temperature Sensor Circuit Low
  • Fuel Rail/System Pressure - Too High
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Cold Start Injector 1 Malfunction

What To Check After Fixing 00684 Code

  • Inspect all the connections ignition coil cylinder 16, open circuit
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range