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Unread 11-15-2010, 10:06 AM   #1
mikethefisher
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1996 XJ Cherokee 
 
Join Date: Oct 2010
Location: wilmington, north carolina
Posts: 43
oil pressure problem

ok, heres the deal. changed my oil and oil filter since my gauge was pegged out at 80. thought it might be clogged. now the gauge sits on 80 at idle and until i reach a speed of about 35 plus mph. you guys think its a faulty sensor? i know that the sensors are sensitive and will go bad if you bump it or something.

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Unread 11-15-2010, 11:53 AM   #2
the_weirdo
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1998 XJ Cherokee 
 
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Location: Seattle, WA
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Swap out the sensor.
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Unread 11-15-2010, 12:04 PM   #3
mikethefisher
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plan on doing that this weekend!
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Unread 11-15-2010, 04:05 PM   #4
tjwalker
It's the crank sensor!
 
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1999 XJ Cherokee 
 
Join Date: Nov 2007
Location: Central Minnesota, MN
Posts: 8,513
Pegged oil pressure is almost assuredly the oil pressure sending unit.

I buy mine from Jeep for best accuracy/reliability/mating with your factory gauge.
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Unread 11-16-2010, 04:16 PM   #5
mikethefisher
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1996 XJ Cherokee 
 
Join Date: Oct 2010
Location: wilmington, north carolina
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sounds good. should be pretty simple to replace right? im also wanting to replace my crank pos sensor. i know where its located. shouldnt even take 10 minutes to replace? or is it harder than what i thought?
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Unread 11-16-2010, 04:40 PM   #6
tjwalker
It's the crank sensor!
 
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1999 XJ Cherokee 
 
Join Date: Nov 2007
Location: Central Minnesota, MN
Posts: 8,513
It will take longer than 10 minutes.

Search this forum for "crankshaft position sensor" and you will easily find a thread that has pics and the procedure.
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99 Cherokee, 4.0 AW4, NP242
Past Jeeps: 49 Willys, 81 Scrambler, 88 Comanche
Without "data", all you have is an opinion!
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Unread 11-16-2010, 05:23 PM   #7
mikethefisher
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1996 XJ Cherokee 
 
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Location: wilmington, north carolina
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ok will do, thanks
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