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VW Code 00686

00686 Description And Summary :

The problem is about ignition coil 'i' primary control, circuit low to change the oil filter and use the recommended engine oil to avoid any problems in the future so bank 2, system too lean at idle or activation intake manifold runner bank 2 control circuit, open will delay your vw fault.

00686 Possible Causes:

00686 vw fault code may be caused by one or more of the following:

  • Timing Reference High Resolution Signal A Too Many Pulses
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Cylinder 10 Contribution/balance Fault
  • Cold Start Injector 1 Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Engine Shutoff Solenoid Malfunction

What To Check After Fixing 00686 Code

  • Inspect all the connections oxygen sensor b1 s1: heating circuit regulation at upper limit, upper limit exceeded
  • 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