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Home >> Ford >> 2005 >> Escape Hybrid, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls - Description & Operation (Except Diesel & Hybrid)) >> Secondary Air Injection (AIR) Systems >> Electric Secondary AIR System >> Hardware >> AIR Bypass Solenoid

AIR Bypass Solenoid

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The secondary AIR bypass solenoid is used by the PCM to control vacuum to the secondary air injection diverter (AIR diverter) valve. The AIR bypass solenoid is a normally closed solenoid. The AIR bypass solenoid also has a filtered vent feature to permit vacuum release.

Fig 1: Secondary Air Injection Bypass Solenoid
G03877950Courtesy of FORD MOTOR CO.