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Home >> Subaru >> 1998 >> Legacy Outback Limited, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Atmospheric Pressure Sensor
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Atmospheric Pressure Sensor

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