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2004 jeep grand Cherokee limited, 4.7.oil pressure indicater fluctuates at idle,goes down to low and check gages light comes on.took to dealer,no trouble codes listed.they said maybe a instrument cluster issue. any ideas? Thank You.

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  • 3 Answers

Have you checked the wiring to the sending unit or checked to see if the sender is leaking

Posted on Nov 29, 2012

  • Don Young Nov 29, 2012

    Took it to the dealership this morning,they put it up on hoist and checked to see if plug was secure.I didn't notice any excessive oil leakage.nothing on code reader.he said maybe instrument cluster issue.keep an eye on it .not much help!

  • Don Young Dec 01, 2012

    Removed sender and the plug cavity area and the plug was full of oil.replaced sender cleaned plug and so far so good.Is it common for the sender to do this?Thanks Dakota!

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Posted on Jan 02, 2017

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SOURCE: What causes the oil pressure gauge to fluctuate on

If the oil pressure is good and there is no engine noises then the oil pressure sending unit is the problem.Just replace it and you should be good.Hope this helps.Good luck.

Posted on Jan 07, 2010

  • 35 Answers

SOURCE: 2004 Grand Cherokee: oil pressure fluctuates

if you know for certain that the sending unit is correct and the guage is accurate, then yiu may have big problems.....while the engine is running open the oil filler hole.. is everything wet with oil? or does it look dry or just a little lubed? you can allways install an aftermarket oil pressure guage(crappy tire) if you get the same results with that then you may have a week oil pump....worst case scenerio... need an engine rebuild as the moter may have wear issues.does the pressure slowly drop as the motor warms up? at idle ? does it jump up when you step on the gas?

Posted on Mar 30, 2009

  • 28 Answers

SOURCE: my 2002 jeep grand cherokee limited is reading low

When was the oil last replaced? Sounds like it could be the oil breaking down due to age, or the oil pump lacking pressure. Try an oil and filter change, making sure you use the correct jeep recommended specification oil. hope this helps.

Posted on Nov 09, 2010

  • 41 Answers

SOURCE: 2003 Chevy Silverado Instrument cluster missreads

replace instrument panel cluster

Posted on Nov 27, 2009

  • 4336 Answers

SOURCE: 1999 jeep grand cherokee losing oil pressure

This is not necessarily an issue, but normal physics. I suggest remove your transducer and test with an external, known good, gauge.... Be sure the vehicle is at normal operating temprature....that will give the lowest pressure reading, as compared to cold engine.

Posted on Oct 10, 2009

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1 Answer

Why does my check gage light come on when i come to a stop


there ya go, the check gauges comes on because the engine does not have oil pressure or it could be the oil pressure sender that is bad.

Feb 18, 2015 | 2001 Jeep Grand Cherokee

1 Answer

Why does my check gage light come on when i come to a stop


Well the check gauge light is telling you to check your gauges, because of the low oil pressure. It could be a sending unit problem, or the oil pressure really could be dangerously low. Should be at least 25psi at idle.

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1 Answer

What does it mean when the check gage light come on and the oil pressure hand goes to the zero mark? I have a 2000 jeep grande cherokee limited with 124,000 miles.


Either the oil level is very low or the engine bearings have failed (assuming the gauge is accurate) if the engine isn't making noise and the level is full have a mechanical gauge installed to check actual pressure. if good, the sending unit or gauge is faulty.
If in doubt, do not drive or run the engine 'tll the problem has been diagnosed.

Feb 04, 2011 | 2000 Jeep Grand Cherokee

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The check gages light constantly comes on. How can I get this issue fixed?


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Apr 12, 2010 | 2000 Jeep Grand Cherokee

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Oil gage goes up but suddenly goes down to 0 chack gages light comes on and makes a clicking noise when you give it gas.. but has oil in it..


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Oct 21, 2009 | 2000 Jeep Grand Cherokee

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No/low oil pressure, high engine temp


I think you have a bad ground on your engine gages...but, more importantly, have your oil pressure checked by a mechanic.  If it is indeed only 20 pounds the engine is sadly on it's last legs.
When you receive advice from this website you have to understand that without the item in front of us, we are only able to provide "a best guess" as to what the problem might be based on you description of the defect.  If you haven't described a clear and precise description of the defect you decrease the chances of an accurate reply.  Thank you.   

Apr 28, 2009 | 2002 Jeep Grand Cherokee

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Apr 17, 2009 | 2002 Jeep Grand Cherokee

1 Answer

2004 Grand Cherokee: oil pressure fluctuates


if you know for certain that the sending unit is correct and the guage is accurate, then yiu may have big problems.....while the engine is running open the oil filler hole.. is everything wet with oil? or does it look dry or just a little lubed? you can allways install an aftermarket oil pressure guage(crappy tire) if you get the same results with that then you may have a week oil pump....worst case scenerio... need an engine rebuild as the moter may have wear issues.does the pressure slowly drop as the motor warms up? at idle ? does it jump up when you step on the gas?

Mar 30, 2009 | 2002 Jeep Grand Cherokee

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