Oil Pressure Warning - JeepForum.com
 
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post #1 of 10 Old 04-16-2003, 07:58 AM Thread Starter
lambar
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1996 ZJ 
 
Join Date: Apr 2003
Location: Dayton, Ohio
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Oil Pressure Warning

96 GC V8 Limited. I was driving in stop and go traffic the other day, outside temprature was around 80 so I set my climate control to around 68. My "Check Gauges" light came on when I was at a stop sign. I looked and saw my oil pressure drop to zero. When I pressed on the gass pedal it went up to 20, and hovered around there. Normally I have seen it at 40.

It hasn't happend to me again, but have never seen that before. I am going to change the oil, and filter tonight, but aside from that, has anybody seen this happen?

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post #2 of 10 Old 04-16-2003, 09:56 AM
Kess
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ur not leaking oil are you?? cuz if ur not then you just prolly have a sensor going bad....

In comission:2004 WJ, stock....

Retired:1994 JGC Laredo I6 4.0L, Smittybilt Outland brush guard, 1 3/4" Daystar coil spacers, custom air intake with tube K&N, Borla cat-back, KC Daylighters 6" 150w stainless steel, Xenon superwhite headlights 85/100w, 235/75/15 Pirelli Scorpian A/T, billit aluminum grill inserts
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post #3 of 10 Old 04-16-2003, 11:48 AM Thread Starter
lambar
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Not that I know of. I placed a piece of cardboard under the engine, and after a couple hours, I did not see any spots.
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post #4 of 10 Old 04-16-2003, 07:37 PM
Ryan2son
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Ummmm.... Have you checked your oil level? It's not a smart thing to drive with no/little oil pressure...


Richard

1999 Jeep Grand Cherokee Laredo
4x4, 4.7 V8, Quadratrac II, Loaded

A Hail the Mighty Philadelphia Eagles!
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post #5 of 10 Old 04-17-2003, 06:18 AM Thread Starter
lambar
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1996 ZJ 
 
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I just replaced the oil and filer last night, so the levels are ok. The problem hasn't occured again, so we will see. Taking a trip tomorrow (about 500 miles), so wish me luck.
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post #6 of 10 Old 04-17-2003, 08:52 AM
anthonyh75
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Location: Alexandria, VA
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OUCH I had a 96 GC. I had the same problem and it kept getting worse. Look into the valve cover where you add oil. You may see some sludge. If so your oil pump is getting cloged. I had changed my oil Countless times and never did solve the prob. I would be driving down the road and the pres. would just drop to zero. I changed the pump twice the sending unit once and ran a addition pres. gauge from the sending unit. I tired every engine flush and additive I could find and nothing worked. The Jeep ran for another year and actually was totaled. For some reason the 318 runs hot and if you dont use quality oil it can burn and sludge up. I used to have to shift into N running down the Highway and actually turn the engine off wait about 15 sec. and the restart the engine and then shift back into D to avoid the engine locking up from loss of oil. I would Def. try and flush the the motor as soon as possible hopefully you can catch it before it gets too bad.

1998 5.9L Limited, 99 TL 1000s, 1995 Stingray 586zp
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post #7 of 10 Old 04-21-2003, 09:14 AM Thread Starter
lambar
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Location: Dayton, Ohio
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Well I drove it to Chicago and back without any issues. I am a happy Jeep owner Thanks for the info Anthony. I will look into it.

1996 GC Limited 5.2L
2" Coil Spacer
30" General Grabbers
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post #8 of 10 Old 04-21-2003, 09:25 AM
anthonyh75
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No prob. Hopefully yours was just the sending unit but I havnt seen where that is a problem. Good luck with it.

1998 5.9L Limited, 99 TL 1000s, 1995 Stingray 586zp
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post #9 of 10 Old 04-21-2003, 09:41 AM
automan25
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Location: Kenmore, WA
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I've never had my oil pressure drop to zero, but it does seem to fluctuate a great deal. The needle on the gauge seems to move around a lot; more than is common for other vehicles I've owned. It usually reads between 40 & 60 on the street, and 60 & 80 on the freeway. It has dropped as low as 25 before. Is a rapidly fluctuating oil pressure guage needle common on the 5.2?

1993 ZJ Limited 5.2 - no mods - Red with Gold (what were they thinking) trim.
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post #10 of 10 Old 05-10-2003, 08:08 PM
boing
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Location: Nova Scotia, Canada
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Good question I would also like to know if the fluctuating oil pressure gauge is normal for the 318.

KMD
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