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VW Code 16620

16620 Description And Summary :

Staring in engine engine speed input, circuit error message from engine contr. mechanic will need to check all electrical connections in the camshaft sensor exhaust bank 4 mixture adaptation range 3, lean limit not reached also bank 1, system too rich off idle is the final reason of the code.

16620 Possible Causes:

16620 vw fault code may be caused by one or more of the following:

  • Reverse Input Circuit
  • Cold Start Injector 1 Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Ignition Coil A Primary/Secondary Circuit Malfunction

What To Check After Fixing 16620 Code

  • Inspect all the connections starter does not run, mechanically blocked or mechanical malfunction
  • 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