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Home >> Mazda >> 1994 >> 929 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Engine Sensors & Switches >> Cold Start THERMOSWITCH
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Cold Start THERMOSWITCH

Remove cold start thermoswitch. Place thermoswitch and thermometer in container of coolant. Connect ohmmeter to thermoswitch terminals. Slowly heat coolant. Note resistance at specified temperatures. See COLD START THERMOSWITCH RESISTANCE  table. Replace thermoswitch as necessary.

COLD START THERMOSWITCH RESISTANCE

Temperature Ohms
68°F (20°C) 25-35
176°F (80°C) 64-76
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