Hot out no Oil Pressure Cold out oil pressure
howdy well my 96 ZJ with the 5.2 in it started acting up the other day when it got really hot here in OH. When it is cool outside the oil pressure is 50PSI or so but if it gets hot out above 95 the oil pressure drops to nothing the lights on the dash all light up saying no pressure but the engine runs fine no rattle. I have to put my foot on the gas at a light until it changes to get oil pressure up enough to shut off the lights. I am running 10W 30 I think it says on the cap. So what am I missing Can I run a mechanical gauge and disconnect the electrical one how do I get the lights to turn off if I do that? Or is there something just yelling at me to fix and I am to stupid to realize it? Thanks
What Would Scooby Do?
you can read about this happening to various makes of motors, usually caused by worn main bearings. you can try a wix oil filter to raise some oil pressure or a heavier weight oil. also what are your engine temps?
Outside temp seeming to cause it would initially indicate to me that the problem is a bad electrical connection....so I'd check that sending unit first. They are cheap...so replace it and make sure the wiring is good.
2007 5.7 Hemi, Ltd. QD II -
1997 ZJ, 4,0 select trac, Up country, track lok.
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