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Home >> Porsche >> 1984 >> 944 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DME System >> Operation >> Data Sensors >> High Altitude Switch
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High Altitude Switch

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