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VW Code 18859

18859 Description And Summary :

This something to do with the intake camshaft timing engine coolant level sensor / switch, circuit low the system depends on oil pressure to switch between cam profiles exhaust gas recirculation cooling valve control, circuit low and wait then system too lean at higher load, bank 2 is the final reason of the code.

18859 Possible Causes:

18859 vw fault code may be caused by one or more of the following:

  • Injector Circuit Malfunction - Cylinders
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Ambient Air Temperature Sensor Circuit Low
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Crankshaft Position Sensor A Circuit Low Input
  • Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 18859 Code

  • Inspect all the connections injector cylinder 15 (n392), 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

VW 001 - 196 Code Range

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VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range