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Home >> Subaru >> 1999 >> Legacy Outback, 2.5, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Atmospheric Pressure Sensor

Atmospheric Pressure Sensor

Detects atmospheric pressure and intake manifold pressure. PCM uses this signal to compensate for variations in altitude, which affect air/fuel mixture ratios.