Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection

Need a step-by-step guide?

Get an AI-powered repair guide with parts lists, cost estimates, and clear instructions for your 1991 Dodge.

AI Repair Guides
1. With key Off, disconnect coolant temperature sensor connector.
2. Measure resistance between sensor terminals.
3. If resistance is not 700-1000 ohms at temperature of 200°F, replace sensor.

← Back to Coolant Temperature Sensor/Switch (For Computer)All Makes