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Home >> Mazda >> 1991 >> 929 Base >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices - Electronic Fuel Injection >> Barometric Pressure (BP) Sensor (Navajo)

Barometric Pressure (BP) Sensor (Navajo)

BP sensor measures barometric pressure of atmosphere. Variations in atmospheric pressure (changes in altitude) modify an electrical signal monitored by ECA.