How to Change a Car Oil Pressure Sensor

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Changing a car's oil pressure sensor involves locating the sender, removing the connector, backing out the hex, putting a new one in and then tightening it. Learn about signs of a failing oil pressure sensor with help from an auto mechanic in this free video on car repairs.

Part of the Video Series: Auto Repair & Mechanics
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Video Transcript

How to change an oil pressure sender? Most cars either have an oil pressure gage or an oil pressure light that indicates when the oil pressure is in an optimum pressure range. Or when it might be too low and therefore cause problems. If the oil pressure sender fails, it can either read too low or not at all. And it's a relatively simple procedure to swap it out. You first have to locate the oil pressure sender, in this case it's threaded into the side of the block right here. You remove the connector, which is usually a single wire, from the sender. And then you simply put a wrench on the hex, back it out. Put the new one in, tighten it up. Usually it comes with a new seal, if it does not, you want to put either a Teflon paste or Teflon tape on the threads. And then reconnect the wire and you should have a functioning oil pressure lighter gage.


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