oil pressure.

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02-05-2011, 06:36 PM

harorider848

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Year: 1996

Model: Cherokee

Engine: 4.0

oil pressure.

I noticed today that while i was drivin my oil pressure is reading just at the notch below 80. i know its not normal. but last time i changed my oil i broke the oil pressure sending unit and had to replace it. maybe my guage is just messed up? btw- i put just straight 30w in it this time.

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02-05-2011, 07:06 PM

tjwalker

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Year: 1999

Model: Cherokee

Engine: 4.0

It is almost assuredly the oil pressure sending unit. Where did you get your last one from?

I'd recommend replacing it with one purchased directly from Jeep. I have had mixed (poor) luck with aftermarket oil pressure sending units.

The OEM one is the best one for reliability/accuracy/mating with your factory gauge. Worth the extra $20 bucks.

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02-05-2011, 10:58 PM

harorider848

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Year: 1996

Model: Cherokee

Engine: 4.0

yeah i just got it from advanced. i didn't really have time to be picky. i had to be at work :/

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02-05-2011, 11:28 PM

Metmknice

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Year: 1989

Model: Cherokee

Engine: 4.0L I6

Buy or rent a mechanical oil gauge, check the pressure to make sure its correct. Replace oil sender if necessary.
Napa, carquest should have oem quality senders.