low oil pressure

  1. L

    Oil pressure drops at idle; sends engine in limp mode

    I’m at a loss rn and need some help/direction. I recently overhauled my ‘97 TJ 4.0. Oil pressure was dropping on me once eng warmed up at idle...pressure fluctuates when it accelerates then drops to 0..check gauges light pops, then eng is in limp mode (barely running and dies on me when sitting...
  2. S

    Inconsistent Oil Pressure

    Hi Guys! Hoping you can educate me on what is happening and help point me in the right direction for a fix or reassure me everything is okay. I stare at my oil pressure non stop now. I drive a 98 wrangler and about 6 months ago, my oil pressure dropped to zero and my jeep stalled. I took it to...
  3. TimSA

    Low oil pressure

    Hi guys, Been having low oil pressure for a couple weeks now. It's about 40psi (half way) when just starting and the engine is still cool. Not long after its heated up it drops and when idling down below 10 (1/4) and finally will drop right down and the check guages light comes on. - I did a...
  4. K

    Low oil pressure diagnosis

    I just wanted to share what I went through to diagnose the source of the low oil pressure in my 2000 with a 4.0. The engine has about 150,000 miles and has good oil pressure at start up and then the idle oil pressure drops close to zero when warm. Often it seems the problem is sending unit...