Coolant Temperature Sensor

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Measure resistance between coolant temperature sensor terminals. Resistance for 4-cylinder engines at 68°F (20°C) should be 2100-2900 ohms and 270-390 ohms at 176°F (80°C). Resistance for V6 engines at 68°F (20°C) should be 8500-11500 ohms and 770-1320 ohms at 176°F (80°C).