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Crankcase Emission Control System - Hev: Diagnosis Kia Optima III

Testing & Diagnostics 1 illustration

Inspection

  1. Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger movement.

Scheme 438

Scheme 438
Scheme 438

Note. If the plunger does not move (PCV valve is clogged), clean or replace the valve.

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