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Home >> Mercury >> 1994 >> Capri Base, Standard >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Brake On-Off (BOO) Switch
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Brake On-Off (BOO) Switch

This switch, located at the brake pedal, senses brake operation. The PCM uses this information in calculating fuel metering.

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