Question about 2001 Jeep Grand Cherokee

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My 2001 Jeep Grand Cherokee Laredo has suddenly started giving me a "check gauges" light when idiling. I noticed that my oil pressure was low, but as soon as I stepped on the gas it would go back to normal. This morning (June 20 '08) my battery was completely dead. As soon as I hooked up the jumper cables, my fan came on without even the keys in the ignition. After rechargig the battery, and shutting off the engine the fan continues to run.

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The "resistor" to your blower motor system is bad...This is the only way your blower would continue to run after turning the key off...Ask your Auto Parts friends for the location...not a problem to change...Hope this helps...:)

Posted on Jan 04, 2011

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Sounds like your fan relay is stuck. Look in the engine area for your fuse box, there will be a list for the relays inside. Try pulling the one for the fan. Fans are powered all the time not just ignition on

Posted on Jan 04, 2011

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1 Answer

What to check when oil pressure gauge flucuates while driving a jeep cherokee


To verify there is a problem, remove the oil pressure sending unit, replace it with a test gauge, start the car, idle, accelerate etc and watch the gauge for any abnormal variations it should react to evry change in acceleration and not be below the minimum or above the max as per the service specs.

Aug 14, 2014 | 2000 Jeep Grand Cherokee Laredo

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Recently bought a jeep grand cherokee laredo 1994, it had been sitting for a year or so. When we got it started it is tapping a little, smoking alot, and gauge is showing zero oil pressure. I'm af


If it is a 4.0 strait six cylinder this is a common problem on them.Mine was located just below the oil filter and is pretty easy to fix.Plan it on your next oil change and it is even easier to change out.Oh just so you know your 4.0 liter engines do make a little bit of noise but are pretty much bulletproof if you just do regular maintence on them.Next time you start it put your ear down by the driver side hood hinge.You will find some tapping noise there it is part of the evap system.If it had no oil pressure you would know it rite away.

Jan 18, 2013 | 1994 Jeep Grand Cherokee

1 Answer

2001 Jeep Grand Cherokee Laredo approx 147000 miles. Recently notices oil pressures going up to 80psi periodically when driving. If I turned off the engine and restarted it would read normally. Within...


Very first thing you need to do is install a mechanical pressure gauge on there to verify what you see on your gauge. If the actual pressure is low, then it's time to start looking inside the engine. If not, then you need to trace out the electrical problem but will know the engine is safe.

Jan 29, 2011 | 2001 Jeep Grand Cherokee

1 Answer

On my Jeep Grand Cherokee 2005 3.7 Laredo oil light came on suddenly.Have checked oil level and oil filter-OK.Also passenger airbag light comes on and off.Can you please get me a solution what it might...


Re: oil light - if it's not making loud engine noises, and oil level is up check your oil pressure sending unit. Either the wire is lose or off or the sensor is bad (they're cheap to replace)
The air bag light on/off indicates contact problem. Have dealer check that out, air bags are explosive and dangerous for the DIYr, plus dealers will usually do this under Fed. Warranty safety.

Jan 03, 2011 | 2005 Jeep Grand Cherokee

1 Answer

I have a 2002 Jeep Grand Cherokee Laredo and My oil pressure gauge goes to the H. Is this bad?


How many miles? How many starts and stops? Are you using too high of a viscosity?

Nov 02, 2010 | 2002 Jeep Grand Cherokee

1 Answer

My oil pressure gauge goes to the H


Not really , when you give it gas it creates higher pil pressure at higher engine speeds, when the engine slows down there is less pressure on the oil.

Apr 03, 2010 | 2002 Jeep Grand Cherokee

1 Answer

Have high oil pressure reading when driving goes down to 55-60 when sitting at light,2000 jeep grand cherokee laredo 2-wheel drive 4.0 litre engine


the 1st thing that needs to be done is have a mechanical oil pressure test gauge hooked up to confirm the actual reading, the electronic gauge many times is incorrect.

Feb 16, 2010 | 2000 Jeep Grand Cherokee

2 Answers

What causes the oil pressure gauge to fluctuate on my 2004 Jeep Grand Cherokee Laredo?


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.

Jan 07, 2010 | 2004 Jeep Grand Cherokee

2 Answers

My 1997 Jeep Grand Cherokee cuts off while I'm driving.


If you have zero oil pressure thats a BAD sign, first have a mechanic check what the engines actual oil pressures are.

Oct 31, 2009 | 1997 Jeep Grand Cherokee

3 Answers

OIL PRESSURE SENDING UNIT ON MY JEEP CHEROKEE 1993 WHERE IS IT LOCATED AND IS THERE A DIAGRAM OR PICTURE LOCATION FOR IT


OIL PRESSURE SENDING UNIT ON MY JEEP GRAND CHEROKEE LAREDO 1999
WHERE IS IT LOCATED AND IS THERE A DIAGRAM OR PICTURE LOCATION FOR IT

ANY SPECIAL KNOWLEDGE TO PUT IN?

Jul 30, 2008 | 1999 Jeep Cherokee

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