Esteem L4-1590cc 1.6L SOHC 0 MFI 16V (1995)
Engine Temperature Sensor: Testing and Inspection
Component Inspection
Immerse temperature sensing part of Engine Coolant Temperature (ECT)sensor in water (or ice) and measure resistance between sensor terminals
while heating water gradually. If measured resistance doesn't show such characteristic as shown in the above image, replace ECT sensor.
