Oil pressure
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Newbie
Joined: Dec 2011
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Oil pressure
Got a 2000 Cherokee sport I picked up for 500$ since it had been parked for a couple years, put plugs, wires and a brake line in and it was ready for the road. Only problem I have is that after a long drive the oil pressure drops off, if I keep the rpms around 1000 it holds at like 10 psi and when I begin driving it goes up to like 35 and stays there. Is my pump bad or just a worn engine??
CF Veteran
Joined: Mar 2009
Posts: 28,068
Likes: 6
From: Tenn. and Mich.
Year: 2004
Model: Grand Cherokee
Engine: 4.7L V8
Welcome to CF. Sounds like a typical worn engine. Install a mechanical oil pressure gauge on it at the sending unit to verify actual pressure.
CF Veteran
Joined: Mar 2009
Posts: 28,068
Likes: 6
From: Tenn. and Mich.
Year: 2004
Model: Grand Cherokee
Engine: 4.7L V8
It's on the pass. side, near the dist. Read this:>https://www.cherokeeforum.com/f2/oil...ing-unit-5181/
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