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Home >> Porsche >> 1987 >> 944 Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DME Control System >> Operation >> Engine Sensors >> High Altitude Switch
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High Altitude Switch

Switch is mounted under driver's seat (911 Carrera) or behind left dashboard (924S and 944). The high altitude switch closes over 3300 ft. (1000 m), signaling the CU to provide lean fuel mixture.