Question about 2000 Jeep Grand Cherokee

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Check gauge light comes on?

How do I fix this. The check gauge light comes on when I idle, it goes off when I accelerate. I added oil, which it needed, but it still comes on. What gives?

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  • 121 Answers

How does the battery voltage gauge read at idle? Is it below 14v.? May be a drained battery or an alternator malfunction.Hope this helps.

Posted on Dec 05, 2008

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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.

Feb 18, 2015 | 2001 Jeep Grand Cherokee

1 Answer

Oil light comes on when i put the clutch in and come to a stop


check the oil level in the sump. Ensure that the idle RPM is at 750rpm or above up to 1000rpm. Check for the correct grade of oil in the engine for you atmospheric temperature.

Feb 21, 2014 | 1994 Mitsubishi 3000GT

1 Answer

I changed the oil pressure sending switch, but my oil light still comes on when idling and goes off when accelerating


I have done some chrysler vehicles that the hole that the unit screws into has to be cleaned also, mostly durango's. But when you change a oil sending unit and it doesn't help, light or gauge. then the crankshaft bearings are worn and it's time for an engine rebuild or replacement.

Sep 26, 2011 | 1998 Plymouth Breeze

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2001 F150 pressure gauge reads zero and light comes on when slowing down to 1st gear and stopped, sometimes light and gauge goes off and pressure returns, but fluctuates...also when gas applied and vehicle...


I assume you mean "Oil" pressure...This is the first sign of the main bearings getting to the point of needing replacement. The fact that the pressure goes up when you accelerate tells me that the oil pump is working. There is just too much bearing clearance for the oil pump to keep enough volume flowing at idle to maintain pressure. In short, it's time for an overhaul. It will be less expensive if you do it now than if you wait until you spin a bearing and destroy a crankshaft, or put a rod through the side of the engine block.

Mar 06, 2011 | 2001 Ford F150 Styleside SuperCrew

1 Answer

Oil gauge is fluctuating...on Low when at a standstill...moves up when i hit the accelerator...i just added 3 qts of oil...and i also have a coolent leak????


That is a good sign, it is working, my oil pressure fluctuates like a tachometer, at idle it is low, like 20 lbs, then when I 'm cruising, 35lbs, but it goes up and down when you pump the gas. The pressure gauge is reading the oil pressure at the top of the engine, it will show 45 lbs with only 1 qt of oil in there, it is not an oil level gauge. You might have an oil light buried on the dash somewhere that will light up if the oil gets too low. ,, Now about that coolant leak, it should have nothing to do with the oil pressure. Is it a hose? Radiator? Joint at the top of the engine? Where is it leaking, and what is it doing? Does it over heat? Or did it overheat? Is there oil floating at the top of the radiator? Does it blow steam out the exhaust? Does it have coolant or just water? Check it out. hope this helps.

Aug 29, 2010 | 2002 Jeep Grand Cherokee

1 Answer

Oil pressure gauge goes to 0 when idled, but goes


You could try thicker oil or stop using synthetic or add some lucas oil treatment or change the oil. The sender could be bad too. A diag is in order because if there is no presure the engine will soon die.

Dec 09, 2009 | Oldsmobile Bravada Cars & Trucks

2 Answers

2001 Jeep Oil Pressure


Last week my 2001 Grand Cherokee with a 4.7 was dropping below 10 and my "check gauges" light and chime came on. My sending unit was bad. I could see it was bad because oil was getting through the unit and leaking very slow. It's located above the oil filter. Easy fix, but the unit was over $50 and the 1 1/16 special deep socket for sending units was over $10.

Oct 07, 2009 | 2001 Jeep Grand Cherokee

1 Answer

Check gauges and Check Engine Lights


The sending unit for the oil guage will cause the oil guage to fluctuate this is caused from some sludge build up that is more than likely stuck in the sending unit tube. Use Gunk motor flush on your next oil change this should help the oil guage problem.( make sure you read the direction on the back of the bottle)
As for the check engine light you can take it to Auto Zone and have them scan the computer. Sometimes the EGR valve will build up with carbon causing the valve to stick slightly open which will make the idle on the car fluctuate up and down. Its also possible you need O2 sensors.

Apr 07, 2009 | 1994 Mercury Cougar

2 Answers

When i come into a complete stop the oil gauge goes down.


If it's your oil pressure gauge, that is usually normal. The pressure will rise and fall with the RPM's of the engine, since the oil pump runs off of the engine itself.

Do you have a CEL coming on when it does that? If so, got to Autozone or Advanced, and get the codes from it, and myself or someone on here can help you fix it.

Dec 04, 2008 | 1999 Chevrolet Silverado 1500

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