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Home >> Ford >> 2002 >> Crown Victoria Base, 4.6 9 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Controls - Theory & Operation - Gasoline & NGV) >> Secondary Air Injection System >> Electric Secondary Air Injection System >> AIR By-Pass Solenoid

AIR By-Pass Solenoid

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Secondary AIR by-pass solenoid is used by PCM to control vacuum to secondary AIR diverter valve. AIR by-pass solenoid is a normally closed solenoid. AIR by-pass solenoid also has a filtered vent feature to permit vacuum release. See Figure.

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