Question about 2002 Jeep Liberty

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Oil sensor in Jeep 2002 liberty

I just recently bought this car. the oil light comes on and beeps for about the first 30 mins of driving. when its warmer it seems to stop and then it will intermittantly come on and beep again. Does this mean the car must be services, or is there something esle wrong.

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Have you had the oil pressure checked somtimes that will happen if the pressure is to low and also if your using synthetic oil.

Posted on Feb 26, 2009

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2002 jeep liberty oil light on and off


Was the oil pressure checked under a load when the car was accelerating if idle oil pressure was good but lower when the vehicle was under a load it could indicate a partial blockage of the oil pump screen and a posting of the oil pressure numbers would be helpful if you are satisfied with the numbers and the test was done properly and the switch replaced you have a problem with the circuit

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Just bought our 2002 Jeep Liberty. The oil pressure light came on shortly after we bought it. Took the Liberty in for an oil change right away- pressure is fine, no leaks. The light is still coming on and...


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Nov 20, 2010 | 2002 Jeep Liberty

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Chrysler mounted the oil sensing unit on these motors directly above the oil filter. It is very easy to accidently hook the sensing unit with the oil filter wrench and crack or break it. For anyone whose oil light problem developed right after an oil change, this may be the problem. To change the unit, pry up the plastic retaining clip with a screw driver and unplug the wire harness. If the plastic part of the sensor is broken, (or if you break it to facilitate easy removal), you can remove the sensor with a 27mm socket. Once you have removed it, use a piece of CLEAN pipe cleaner to insure the hole isn't plugged with sludge which could also cause the oil light to come on. Screw in the new unit finger tight, then snug up with a WRENCH. You cannot use the socket to tighten it as it would damage the plastic part of the new sensor. Plug the wire harness back on, then start the engine to make sure it doesn't leak oil around the new unit.

Oct 28, 2008 | 2002 Jeep Liberty

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