Oil pressure

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Dec 7, 2017 | 01:12 PM

andybird

Thread Starter

Junior Member

Joined: Oct 2016

Posts: 41

Likes: 0

From: Dartmoor England

Year: 2001 XJ

Model: Cherokee

Engine: 4.0

Oil pressure

Hi guys.

Hope you all can help please.

Ive noticed over a couple of days that my oil pressure has started to move between 3-5 bar (its a UK model and 5 bar is the max the gauge goes to) which is about 45-75 PSI is think. Is this normal because its been sitting around 3 bar for the past year since ive got it.

Cheers

Andy

Dec 7, 2017 | 02:52 PM

Tbone289

CF Veteran

Joined: Oct 2011

Posts: 1,394

Likes: 8

From: SEMO

Year: 2000

Model: Cherokee (XJ)

Engine: 4.0 L6

It's most likely the oil pressure sending unit (sensor). Reading high is a failure mode of these, and usually when this happens it also won't read "0" on the gauge when the engine is off.

Dec 7, 2017 | 10:35 PM

Rambler65

Senior Member

Joined: Sep 2015

Posts: 939

Likes: 71

From: Abysmo, NJ

Year: 1999

Model: Cherokee

Engine: 4.0

A good rule of thumb is that when oil pressure problems are suspected always check with a mechanical gauge to get a true reading.

Dec 7, 2017 | 11:10 PM

andybird

Thread Starter

Junior Member

Joined: Oct 2016

Posts: 41

Likes: 0

From: Dartmoor England

Year: 2001 XJ

Model: Cherokee

Engine: 4.0

Quote:

Originally Posted by Tbone289

It's most likely the oil pressure sending unit (sensor). Reading high is a failure mode of these, and usually when this happens it also won't read "0" on the gauge when the engine is off.

Thanks buddy. Ill get that check out