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Home >> American Motors >> 1982 >> Spirit Base, 2D Hatchback, 2.5L Eng VIN B, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Computerized Engine Controls - 4 CYL. >> Operation >> Data Sensors >> Coolant Temperature Switch (CTS)

Coolant Temperature Switch (CTS)

The CTS is open when engine is warm, below 95°F. When CTS temperature is below 95°F, the MCU does not accept oxygen sensor signals and a predetermined air/fuel mixture is maintained.

NOTE: Both coolant temperature switches are contained in a single housing.
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