Engine Coolant Temperature Sensor
- Disconnect Engine Coolant Temperature (ECT) sensor connector. Using an ohmmeter, measure resistance between ECT sensor terminals.
- If resistance is not as specified, replace sensor. See the ENGINE COOLANT TEMPERATURE SENSOR RESISTANCE table.
ENGINE COOLANT TEMPERATURE SENSOR RESISTANCE
| Temperature °F (°C) | Ohms | |
|---|---|---|
| With LH Fuel Injection | ||
| 14 (-10) | 8260-10,560 | |
| 68 (20) | 2280-2720 | |
| 176 (80) | 290-364 | |
| With Regina Fuel Injection | ||
| 14 (-10) | 8200-10,600 | |
| 68 (20) | 2200-2800 | |
| 176 (80) | 250-400 | |