Question about 2002 Jeep Liberty
Hi, do not drive the car with the oil pressure light on, as this could easily cause serious damage to the engine. The first thing to check is your oil level. Make sure the level is correct. If you had to add a lot of oil, you can start the car briefly to see if the problem has resolved. If the light does not come one within a few seconds, shut the engine off again. Next, you can either check the oil pressure with a gage or buy a new sensor. I'm assuming there is not a gage in your car. I recommend you rent or borrow an oil pressure tester to test your oil pressure. You may be able to borrow a gage from autozone. Take your sending unit with you to the store to make sure you get the right fitting to go into your engine. The sending unit is next to your oil filter as shown in the picture below. Remove the connector and use a large socket or adjustable wrench to unscrew the sensor. Install the gage and have someone start the engine briefly to check the pressure. If the pressure is not steady and above 40 psi, you will probably need a new oil pump. Please get back to me with your test results before getting a new pump. Oil pump replacement is a big job. If the pressure is above 40 psi, buy a new sensor and install it. Don't screw it too tight. start the car and check for leaks. If it leaks, you can use some teflon tape on the threads to help seal it. What you don't want to do is break the threads off in the engine. Please let me know if you have any questions, and thanks for using FixYa.
Posted on Jan 02, 2011
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Posted on Jan 02, 2017
SOURCE: 2002 jeep liberty check oil
there is a sensor in the bottom of the pan that checks oil leavle they get gumed up and stick next oil change you can pull it out and clean somtimes this helps if it dose not loked gumed or stuck replace it
Posted on Jan 18, 2011
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