Question about 2002 Jeep Wrangler

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2002 jeep wrangler diagnotic light is on oil pressure gauge workig funny when warm,do i replace oil assending unit?

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Before replacing anything get an OBII scan done (fault scan) Any good parts store IE: Autozone, Advance, etc can do it for you FREE get list of faults/messages and go from there before throwing parts at it.

Posted on Mar 23, 2011

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The oil light on my 1998 Camry is on but I just got the oil changed


If it is the oil pressure warning light showing, the next thing to do is to remove the oil pressure sender unit and screw in a gauge to see if the sender is at fault.


http://www.2carpros.com/questions/2001-jeep-wrangler-2001-jeep-wrangler-oil-pressure-gauge-drops-and-oil-light-c


After that it could be that the over-pressure relief valve in the oil pump has stuck open.

Jan 16, 2013 | 1998 Toyota Camry

1 Answer

02' jeep wrangler oil pressure goes all the way up


your pressure sending switch could be going bad id try replacing that first its easier and cheaper. make sure the oil level is not too high also.if all is good then the switch can be bad or the gauge itself.

Sep 17, 2011 | 2002 Jeep Wrangler

1 Answer

On my 2002 jeep liberty 3.7 4wd with 109000 miles the oil light comes on noy all the time,sometimes when it hot or just started i change the oil and filter reg. oil pressure is good, assending unit just...


Does it come on when its at a low idle? If so its probably the oil pump that is on the way out or the main bearings. It could be as easy as as wiring that is going to ground from the sensor.

Nov 12, 2010 | 2002 Jeep Liberty

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Oil pressure gauge not reading on my 1994 jeep wrangler. oil is full just the guage has no pressure and not alot of power


The oil pressure specification for your engine is 13 PSI at idle hot, 37 to 75 PSI at engine RPM higher than 1600. I suspect your oil pressure gauge sender unit or gauge is inaccurate. I would have a known accurate mechanical oil pressure gauge temporarily screwed into the present oil sender unit to verify actual pressure.

If you have the correct pressure I would replace the sending unit first.

Sep 23, 2009 | 1994 Jeep Wrangler

1 Answer

2002 2.5l no oil pressure on gauge. Runs fine...no


You better put a manual gauge on your engine and make sure you have oil pressure. Could just be a faulty gauge or sending unit but I sure as heck would be checking it with a manual gauge.

Aug 01, 2009 | 2002 Jeep Wrangler

1 Answer

2002 jeep wrangler oil pressure gauge drops


When the gauge is at 0, is there any noise from the engine (tick, knock etc?) I would have someone put a mechanical gauge on there and read true pressure.Your driving pressure seems OK but if the low number is "real" something is wrong!

May 30, 2009 | 2002 Jeep Wrangler

1 Answer

1997 Jeep Wrangler oil pressure gauge not working


The gage is working because it is coming on sometimes. The oil pressure sending unit on the engine is starting to go. I would replace the oil pressure switch on the engine first.

Mar 19, 2009 | 1997 Jeep Wrangler

1 Answer

Oil pressure gauage reading high


depending on the weather, and how cold it is, oil pressure will run high until it warms up. now if it still runs high after it warms up then its most likely the oil sending unit.

Jan 22, 2009 | 2000 Jeep Wrangler

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