I'm looking to locate the oil sensor or oil sending unit on a 2000 ford ranger 4x4 and its a 6lt I think. Its my girlfriends truck but I'm just trying to figure out where it is on the engine so I can change it out?
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Re: Oil sensor unit
If your engine is the V6 4.0L SOHC the oil pressure switch is located opposite the oil filter on the drivers side front of engine block under the exhaust manifold. If this is the case you should be able to see it best through the drivers side wheel well by lifting the rubber flap up. It will most likely have a single wire going to it. I would also replace it through the wheel well if I were you. You'll have to jack and take the tire off. Hope this helps. God bless
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You oil pressure sending unit has gone bad, it's common to go bad and some even leak oil.
The oil pressure sensor is on the back of the block on the passenger side, you can get to it from the top and not from the bottom. There are (2) switches back there that screw in to the block and you can only see it from the top of the engine. The Oil Pressure Sending Unit is the one wire harness with a green and white strip on it. The other switch has more wires to it.
When you pick up the new sensor, make sure you get the right one. make sure you get the Oil Pressure Sending Unit which sends variable oil pressure and has only one quick connect for the wire connector. The oil pressure switch is the one that only activates the oil light on older engine.
Once you get the right part at Auto Zone for around $9.00, disconnect the wire clip with the green with white strip on it. and use a deep spark plug socket with a extension and u joint to get the sensor out. The sensor comes with teflon tape already and no oil should leak out from the block. It as simple as replacing a bolt and reconnecting the wire connector.
Good luck and hope this helps, take no more then 10 min to do but about 5 hours for the engine to cool off LOL
The oil sending unit is located below the power steering pump. You can get to it by removing the alternator, then the three bolts around the power steering pump bracket. Remove the small pulley on the bracket and pull back on the power steering bracket. Look behind bracket and you will see the oil sending unit. Disconnect the wire from the oil sending unit. Use a deep socket (1 1/16) to remove unit. While you have unit remove, I would go ahead and use an oil pressure gauge to test the oil pump pressure. Good luck and hope this helps
THE SENDING UNIT WILL BE LOCATED DOWN BY THE OIL FILTER. YOU PROBABLY HAVE AN ELECTRIC PRESSURE SENSOR. THERE WILL BE ONE WIRE CONNECTED TO IT. THE OIL PRESSURE IS USUALLY BY THE OIL FILTER AS THIS IS WHERE THE PRESSURE IS GENERATED FROM THE OIL PUMP. THEY CAN BE HARD TO ACCESS ON SOME ENGINES DUE TO LACK OF SPACE. HERE IS ANOTHER TIP. INVEST IN AN OIL PRESSURE SENSOR SOCKET. THEY ARE A SPECIALTY TOOL AND CAN SAVE YOU SOME TIME IF YOU ARE NOT MECHANICALLY INCLINED. GOOD LUCK
The oil pressure sending unit is located behind the oil filter, Threaded into an aluminunm housing. It has wiring that plugs into the sending unit. The oil filter has to be removed and you will need a deep well socket and a 6 inch extension. Change the oil and the sending unit together.
The oil switch is located on the passenger side of the truck in the back of the engine. Look for the transmission dipstick, then feel for it between the transmission dipstick and the engine block. It is hidden pretty well, but a socket wrench will fit to take it off. The new part uses a 1-1/16 socket, the old part for some reason was smaller, I think 13/16 inch. Hope that helps.