should be located on the top of the thermostat housing.
its built into the bottom of the coolant reserve tank
On a 1994 Oldsmobile Royale 88, the coolant temperature sensor is typically located near the thermostat housing on the engine block. It is usually found on the intake manifold or cylinder head, making it accessible for replacement or inspection. This sensor plays a crucial role in monitoring the engine's temperature and sending signals to the engine control unit. Always consult the vehicle's service manual for specific details and diagrams.
The Coolant Temperature Sensor is located on the driver's side of the lower intake manifold, just under the throttle body. It will have an electrical plug comining out of one end.
On a 1991 Oldsmobile 88 with a 3.8L engine, the left side cooling fan sensor is typically located near the radiator, mounted on or near the engine coolant temperature sending unit. It is designed to monitor the temperature of the engine coolant and activate the cooling fan when necessary. You may need to access it from underneath the vehicle or through the engine compartment for visibility. Always consult the vehicle's service manual for precise locations and instructions.
Coolant temp sensor, or leaky injectors, bad Ecu, weak battery
located at the drive belt end of the motor (3.0 and 3.8 engines} 3800 motors the sensor is located at the other end. A 3.8 and a 3800 are the same engine just as a 3.1 is the same as a 3100. I have never heard of a 3.0 GM engine.
There are actually two different devices that fit this description. The sensor that runs the guage is directly above the oil filter on the passenger side of the engine. This part has a conecter that looks like the threads of a bolts. The sensor for the computer is connected to the same housing for the thermostat. This part has a connecter with a two prong plug.
the sensor is faulty. Located half way down the side of the radiator.
If you mean the low coolant sensor, it is located on the radiator about 3-4 inches below the cap, it screws into the back side of the radiator. There is also a low washer fluid sensor located in the top of the winshield washer reservior.
On a 1994 Oldsmobile 88, the ambient temperature sensor is typically located in the front of the vehicle, near the grille or behind the front bumper. It is usually positioned to receive outside air for accurate temperature readings. If you're having trouble locating it, consult the vehicle's service manual for specific diagrams and details.
This is usually due to a faulty sensor in the coolant bottle. It could also be a bad connection. I had same thing happen to me on trip from Missouri to Wisconsin at night time. Stopped to check and nothing low It was connection at sensor Squeezed it with plyers and havent had problem again for over 5 years now
a low oil sensor