Engine Coolant Temperature (ECT) Sensor
Sensor signals coolant temperature to ECA. Sensor is threaded into an engine coolant passage near thermostat housing. Signal from ECT sensor affects the following.
- Air/Fuel Ratio
- Boost Pressure (2.2L Turbo)
- EGR Flow
- Fuel Pressure
- Idle Speed
- Ignition Timing (1.8L & 2.2L Turbo)
- Injector Timing (2.2L Turbo)
- Purge Flow
- Torque Converter Lock-Up (1.8L A/T)