oil pressure?

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Apr 3, 2011 | 09:16 PM

lolz_jeep

Thread Starter

Senior Member

Joined: Apr 2011

Posts: 563

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From: Lima Ohio

Year: 1996

Model: Cherokee

Engine: 4.0 HO

oil pressure?

anyone know what 96 4.0l oil pressure is or should be around

Apr 3, 2011 | 09:40 PM

InvaderTrax

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Joined: Mar 2011

Posts: 138

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From: Knoxville, TN

Year: 1993

Model: Cherokee

Engine: 4.0

Fully warmed up, I believe like 30PSI idle. At least that's what my dash gauge tells me

Apr 3, 2011 | 09:43 PM

outkast

Senior Member

Joined: Dec 2009

Posts: 682

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From: Elk River, Minnesota

Year: 1989

Model: Cherokee

Engine: 4.0

A good rule of thumb is 10-15psi at idle and 10-12psi per 1000 RPM's over that.

Apr 3, 2011 | 09:43 PM

lolz_jeep

Thread Starter

Senior Member

Joined: Apr 2011

Posts: 563

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From: Lima Ohio

Year: 1996

Model: Cherokee

Engine: 4.0 HO

Quote:

Originally Posted by InvaderTrax

Fully warmed up, I believe like 30PSI idle. At least that's what my dash gauge tells me

the oly reason i ask is becuase i put a mechanical guage in and its up at likr 55-60 psi cold at idle then bot 60-65 psi off idle then warm it was about 30 psi at idle

Apr 3, 2011 | 10:18 PM

Bossokee

Senior Member

Joined: Jan 2011

Posts: 645

Likes: 1

From: Dalton, MA

Year: 1998

Model: Cherokee

Engine: 4.0 H.O. 180K miles

mine ranges about 40-65 which is about normal

Apr 4, 2011 | 10:44 AM

Northwoods Snowman

Senior Member

Joined: Nov 2010

Posts: 976

Likes: 5

From: Cloquet, MN

Year: 2000 Ltd.

Model: Cherokee

Engine: 4.0L I6

From the FSM: 13 psi at idle, 37-75 psi at 1600 RPM and higher.

That's with a warmed up engine.

Apr 4, 2011 | 11:28 AM

ericfx1984

CF Veteran

Joined: Jan 2011

Posts: 2,251

Likes: 1

From: Missouri

Year: 1996

Model: Cherokee

Engine: 4.0HO

I get around 45-50 idle and around 60-80 going down the road

oil pressure?

oil pressure?

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