In the reservoir tank. You will see two wires running to tank and there is a float inside there. These tend to stick and tapping on side of tank will cause float to float thus turning off the light if that is your issue. These cars have a common problem with heater core leakage and head gasket leakage on the 4cyl.
Low on coolant? defective sensor should be located on back side of radiator approx. 1/3 down from top
1992 olds Achieva does not have that switch. ECM receive signal from the coolant temperature sensor and send command to relay #6 for turn on/off the radiator fan. Relay #6 is located in the motor compartment on the fireboard.
The map sensor is located on the intake manifold on a 1996 Olds Achieva 2.4 liter. It is in the center of the intake manifold.
It is located behind the harmonic balancer, also called the vibration dampener.
Bad sensor? Should be located at the bottom of the coolant recovery tank
You will fine it right on side of the starter on the front side of the motor
The heater hoses.
The ETC sensor on the 2002 Olds 3.5 engine is located at the right rear of engine, below the throttle body at the head not the block.
you should see a small dome about the size of a dime on the dash somewhere and it will have a cloudy but see-through color.
its built into the bottom of the coolant reserve tank
Under the car, behind the driver.
Probably behind the glove box or nearby