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Home >> Ford >> 1989 >> Probe GL, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> 2.2L Systems/Tests W/Codes >> Operation >> ECA Input Sensors >> Brake On-Off (BOO) Switch
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Brake On-Off (BOO) Switch

The BOO switch signals deceleration conditions and affects the air/fuel ratio. It is mounted on the brake pedal.

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