Part of the answers is that the SOCH engine is the one with the sprk plug in the front only and the COCH engine is the twin cam 16 v. sprk plug on top
Engine coolant temperature switch/sensor
The sensor is threaded into the coolant passage in the back of the cylinder head.
Engine Coolant Temperature Sensor.
on the right side of the engine
Start by replacing the Engine Coolant Temperature Sensor
Refer to the link below
The guage on the dash uses the ONE wire sensor... This is located in the block near the drivers side. Eric First check to see if you have coolant in the radiator. If there is no coolant you will not get any reading from the temperature sensor. If there is coolant then change the temperature sensor.
Common for a cracked coolant temperature sender. Although there are many other possiblilites. Don't wait, get it figured out ASAP.
The light you are describing indicates low coolant level in the coolant reservoir.
The computer with input from the engine coolant temperature sensor.
procedure on how to bleed air out of coolant system on 97 saturn ls
There is a symbol and light for temperature but, there is no symbol for low coolant. You need to raise the hood and take a look at the coolant recovery tank. That will tell you if it is low or not.