Question about 2002 Jeep Grand Cherokee

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Hi grand cherokee 1999 ,the oil guage read to MAX.

Oil guage too high

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Just got word from an expert standing behind me (my son); remove the oil pressure sensor (on an I6) near the oil filter, clean it (small orifice) and put it back in. They just 'cured' one this AM.
If it doesn't work, (does 2 of 3 times) it is not an expensive part and widely available. 

Posted on Jan 18, 2009

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I have a 2002 jeep Cherokee oil gauge show max out when i start the Eng

When oil is cold, pressure will read high, but as it warms up pressure indicator should drop to normal. Are you using the correct weight oil for your weather conditions? Running straight 30 weight, or say 20w50 could cause this issue.

Dec 19, 2014 | 2002 Jeep Grand Cherokee

1 Answer

Why is the oil pressure reading 50 psi when the jeep is turned off

do tell what is reading that.>
an hand held guage?
what, name the what.
(some factory guages are NOT RETURN TO zero , when dead)
lots, even fuel guages and others, for 100 years.

Jan 19, 2014 | 1999 Jeep Grand Cherokee

1 Answer

My oil guage shoots up to 80 and stays there when i start my 1999 jeep grand cherokee

Great oil pressure, wish I had that much. anyway it's probably the sending unit. my son's car shoots up to 110. i figuare as long as it goes up you have pressure. it's when it stops start to worry

Jun 20, 2010 | 1999 Jeep Grand Cherokee

1 Answer

How do you fix check gauges light when it comes on

What are your guages reading? The CPU thinks it see's a problem.
My oil pressure would drop and my light would come on.
Oil, Charge, all could cause a check guage light.

Dec 30, 2009 | 1999 Jeep Grand Cherokee

1 Answer

Oil pressure gauge stays at almost max.

The oil pressure switch on a 4.0 is on the passenger side of the block toward the back near the firewall. It has a green electrical connector. Take out the sending unit look to see if there are any obstructions. I would replace it they are not exspensive they go bad all the time.

Jul 11, 2009 | 1999 Jeep Cherokee

1 Answer

Engine light on/Oil Gauge on stays on high

Any waranties left? Is oil full? Any noises from engine? Did you put a mechanical gauge on it and check "real" oil pressure? (I would not drive it 'till I was sure about actual oil pressure!!)

Feb 25, 2009 | 2002 Jeep Grand Cherokee

1 Answer

Irradic reading at oil pressure guage

The sending unit would be the first thing to change, at least it would eliminate that.

Jan 25, 2009 | 2000 Jeep Grand Cherokee

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