Kia Soul: Inspection - Crankcase Emission Control System - Emission Control SystemKia Soul: Inspection

Kia Soul 2014-2019 PS Service Manual / Emission Control System / Crankcase Emission Control System / Inspection

1.
After disconnecting the vapor hose from the PCV valve, remove the PCV valve.
2.
Reconnect the PCV valve to the vapor hose.
3.
Run the engine at idle, then put a finger over the open end of the PCV valve and make sure that intake manifold vacuum can be felt.
  
The plunger inside the PCV valve will move back and forth at vacuum.

4.
If the vacuum is not felt inspect PCV operation, if operating correctly clean or replace the vapor hose.
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