Question about 2000 Jeep Cherokee

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2000 jeep Cherokee 4.0 loads up with gas when engine is warm and turned off for a few minutes.i have changed temp sensor.air temp sensor both 02 sensors

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How do you know it "loads up with gas"

If you are having trouble restarting the car, consider doing a test of fuel pressure. If its low/zero it could be a) leaking fuel pump (known problem, there is a kit to fix) or b) leaking injector. If you suspect b, go ahead and replace all of them. Jeep will run like new...Well, change timing chain as well - its not that timing chain breaks, its that it gets too much slack and the computer gets confused.

Posted on Apr 09, 2015

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Posted on Jan 02, 2017

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1 Answer

Have to keep foot on gas till engine warms up


Probable needs a coolant temp. sensor. had this problem on 97 cherokee new coolant temp sensor fixed it. I would suggest changing the thermostat also.

Aug 26, 2014 | 1996 Jeep Grand Cherokee

1 Answer

The temperature gauge on my 2000 Jeep Grand Cherokee started running hot (about 3/4 up), as soon as I start moving (even when the car is cold). It comes down to normal (about 50% on the gauge) when I stop...


Change the sensor, but it will run hot like that if you are not moving fluids across it. It is basically measuring air temp for a minute. Could be a totally stuck thermostat. Change both. That cooling system is critical on a cherokee.

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check intake manifold air temp sensor and engine coolant sensor...one may be out of range but not enough to turn on dash light. tests and specs can be found in chiltons or haynes, test is done with digital multi-meter.

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1 Answer

02 jeep grand cherokee cuts off after reaching running temp. 4.0L no check engine


Are you topping off the gas tank (MAX OUT) while you're filling?

The emission control system can soak with gasoline if you over fill the tank.

Locate the emission line that lead to the charcoal canister and let it air out under direct sunlight.

After 1-2 hours,reconnect the line and use starting fluid to start the car.

After 10 minutes of warm up time,then take it for a short test drive.

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1 Answer

Replaced radiator on 2008 jeep now gets hot & cuts off


I think it is related to the cooling system, still having air in it. Make sure the heater is running/on when your running the engine. Could be a faulty ECT sensor (engine coolant temp.) but proof it out. proof it out, remove the sensor and see if there is air behind it and see if the sensor is within parameters.

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3 Answers

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Usually the electric fan(s) are temperature activated. I would look into the temp switch. If you're not sure what it is, go to the auto parts place and ask for one. This way you can look at it then hunt for it under the hood. It usually screws into the engine in the cooling system. Also, make sure the fan has a good ground. Check for power to the fan when the engine warms up. If you have a/c, turn it on and the fan should come on whether the engine is warm or not.

Hope this helps. Good Luck

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Check PCV valve and be sure it is not stuck open.  Check for vacuum leak at intake manifold.  

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Check EGR valve. Also check all injector pulses with NOID light especially when vehicle is stumbling. It may be computer related. Get back to me if you need more help. Good Luck

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