LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Dodge and Ram >> 1987 >> Caravan Base, 2.5 K, Standard >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition System - Hall Effect >> Testing >> Poor Performance Tests >> Coolant Sensor
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Coolant Sensor

Turn ignition off. Disconnect coolant sensor connector. Connect ohmmeter to coolant sensor terminals. With coolant temperature about 70°F (21°C), sensor resistance should be 5000-6000 ohms. With coolant temperature at 200°F (93°C), sensor resistance should be 700-800 ohms.