Ranger 2WD V6-245 4.0L VIN X SFI (1997)
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
Engine Coolant Temperature Sensor
REMOVAL
1. Disconnect battery ground cable.
NOTE: When battery voltage is removed from the Powertrain Control Module (PCM), all learned values will be cleared and reset to
predetermined values. When battery voltage is restored to the PCM, the vehicle may exhibit certain driveability concerns. It will be necessary to
drive the vehicle to allow the PCM to relearn values for optimum driveability and performance.
2. Partially drain cooling system.
3. Disconnect Engine Coolant Temperature (ECT) sensor electrical connector.
4. Remove ECT sensor from lower intake manifold.
INSTALLATION
1. To install, reverse the removal procedure.
2. Tighten the ECT sensor to 16-24 Nm (12-17 lb ft).
3. Refill cooling system.
