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Home >> Kia >> 2018 >> Optima EX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (EGR Function Testing - KIA) >> EGR Function Testing - KIA >> Test 1 >> EGR Control Solenoid
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EGR Control Solenoid

WARNING: This page is about a different variant/trim than selected.

Disconnect vacuum hoses from EGR control solenoid. Attempt to blow air through solenoid. No air should pass. Using jumper wires, apply battery voltage to solenoid. Again, attempt to blow air through solenoid. Air should pass. If solenoid does not function as specified, replace solenoid.