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Oil light

Tiny
ALHILDE54
  • MEMBER
  • 2005 JEEP LIBERTY
  • 177,649 MILES
Driving the vehicle when it gets warmed up to operating temperature the oil light on the dash panel lights up and goes off, but does not go on and off all the time. This is when you are stopping at a light or stop sign. I have changed the oil and oil filter and still flickers on and off while stopping.
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Saturday, January 13th, 2018 AT 5:45 AM

1 Reply

Tiny
PATENTED_REPAIR_PRO
  • MECHANIC
  • 1,853 POSTS
Perhaps you have a faulty oil pressure sensor, a faulty oil pressure light, a faulty PCM or a problem with the wiring to and from them.
What you should do is rent, borrow or purchase a oil pressure gauge and check if the oil pressure is actually dropping when the engine is warm and coming to a stop like you said do determine first of all if it is any of those items I mentioned or if it is in fact something wrong with the oil pump and oiling system.
Plus, in order to further diagnose you should tell us if it is the 2.4, 2.8 or 3.7 engine.
Since it appears the oil pressure sensor plugs directly into the PCM you might also want to retrieve any trouble codes from that PCM.
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Saturday, January 13th, 2018 AT 6:01 AM

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