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Dash Gage "High" Oil Pressure

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Old 07-10-2010, 07:30 AM
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Default Dash Gage "High" Oil Pressure

***Newbie Needs Help***

Ref: 2002 Jeep Grand Cherokee
4.0 Liter
130k Miles

Good morning all.

This is my first post to this forum and I have some "Noob" Questions.

The other day when starting my Jeep Cold, I noticed that the in Dash Oil Pressure Gage ran up and spiked above "High". I shut it down immediately and started it again with the same results. I'm thinking that it may be related to a faulty pressure sensor and am hoping that it has nothing to do with the Oil Pump.

Could someone point me in the right direction to the following questions:
1.) Where is the location of the sensor on the engine?
2.) Removal Tools and Procedure?
3.) Part Number / Cost?

Much Thanks in advance for your assistance.

All the Best!

Last edited by Lyman1; 07-10-2010 at 07:35 AM.
Old 07-10-2010, 08:58 AM
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If its like the regular cherokee the sending unit is right above the oil filter and the autozone p# PS401. Google is your friend.
Old 07-10-2010, 09:31 AM
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yea mine did the same thing it was the sending unit
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