1. Remove the evaporative chamber. (See EVAPORATIVE CHAMBER REMOVAL/INSTALLATION [SKYACTIV-G 2.5].)
2. Blow air flow port A and verify that there is air flow.
If there is no air flow, replace the evaporative chamber. (See EVAPORATIVE CHAMBER REMOVAL/INSTALLATION [SKYACTIV-G 2.5].)
3. Verify that there is no deformation or cracking of the evaporative chamber.
If the exterior is no normal, replace the evaporative chamber. (See EVAPORATIVE CHAMBER REMOVAL/INSTALLATION [SKYACTIV-G 2.5].)