There is no cooling fan sensor, ECM is turning the fan on and off. Between the ECM and fan there is a relay, located in front of the car on the left side behind the left headlight,it's the fourth relay from the inside out.
I had the same problem with my 90 buick century, Replacing the temperature sensor did the trick, it is located above and behind the water pump.
Check at the rear side of the radiator towards the top
The 2001 Buick Century came equipped with the 3100 V6 (engine code 'J'). The cooling system capacity is 11.6 quarts.
Where is the MAF in 91 Buick century
The sensor is on the back side of engine at the lip of the oil pan put installed in the engine block.
wher is the engine temperature coolant sensor BUICK 2001
The coolant temp sensor on a 97 Buick Century is on the side of the radiator. It is just below the radiator cap.
under the coil pack on the 2.5 back side of the motor Dave
behind the power steering pump on the passenger side of the engine
The O2 sensor is right behind the engine on top of the muffler tube leaving the rear manifold on the engine. If you look down from the rear top - you can see it.
the O2 sensor is in the exhaust manifold leftside of engine (front) between engine block and engine cooling fan. Easy access. I used a 7/16.
what is a etc sensor for a buick rendevous
1997 buick life
how do i resemble the upper engine to a 1994 Buick Century? with a 2.2 litter/ vin #1g4ag5544r6420018
The coolant sensor on a 1994 Buick Roadmaster is located just above the Harmonic Balance pully at about 2 oclock
The 2.8 engine doesn't use a cam sensor.
Should start the auxilliary cooling fan
The crankshaft position sensor, on your 1992 Buick regal 3.1 liter, is located on the back of the engine. The crankshaft position sensor is on the inside of the engine cover.
what is the order of push rods for buick century custom 3.1 engine
no im sorry i dont believe so...
The 3.1 litre V6 engine in a 2003 Buick Century has a timing CHAIN
The 99 Buick Century 231 engine will fit into a 96 Chevy lumina with a little fabrication.
change all all relay and sensor under the throttle body and jumped fans which works. won' t come on when car reach 240degrees.
Usually it is the O2 sensor
under pass seat