Question about 2007 Jeep Grand Cherokee Overland

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My 2007 Grand Cherokee Laredo's engine light just came on yesterday, no overheating, rpms ok, no sounds or problems. What could cause the light to come on and stay on?

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Check engine light it tied to all the engine control sensors (and more) Larger auto parts outlets will do a free code scan for you. Once you learn what the code is, you can buy a chiltons or haynes manual and determine what the code means and what you need to do to replace that part.

Posted on Apr 30, 2010

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2010 Laredo transmission overheating and car won't start.


it needs service, big time.
did you scan it cranking with a scan tool?
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did it stall? at any time. (before no start)

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Rpms runnning over 2000 jeep cherokee laredo 1997


Maybe the Throttle Position Sensor (TPS) if the computer thinks it is all the way to the floor then the gears would not shift until the engine RPM is real high. Also would not be able to determine the car is supposed to be idling. Do you have a check engine light? If you do this may come up on a scanner.

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I have a 2001 Grand cherokee Laredo, 4.0, 6 cyl. Have had the Fan Relay replaced and Control Module because of overheating. Now it is overheating again. Any suggestions? And are the fan relay and...


If the fan is not cycling when the engine gets hot, you'll have to test the fan motor and the temperature sensor. If the fan is running and it's still hot, the thermostat may be the cause.

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1 Answer

I have a 2002 Jeep Grand Cherokee Laredo with the


If you put the thermostat in correctly (spring towards the engine) that should be OK. Likely if the water pump wasn't leaking or had a bad bearing, you wasted your $ on that.
If you re-filled it and did not have the heater on high heat, you may have some trapped air in there. But, still overheating says another thing. If you have a blown head gasket, it can pump compression into the cooling system and drive the coolant from the core. It will also overheat. You can have that tested at most any decent shop that will do a hydrocarbon test to find that.I think someone makes a chemical test kit for that but not sure if it's very expensive or not. White smoke from tailpipe will also be an indicator as will be any coolant in the engine oil or coolant on one or more spark plugs. If it turns out that it has a head gasket problem don't stop looking for problems as often a faulty fan or obstructed radiator can cause the initial overheat that caused the gasket to fail.

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1 Answer

Engine light is on, all fluids, fan belts look good.


you will have to see what the code is for the engine light to turn on. cause it could be anything from a gas cap not on all the way

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I would start looking for a vacuum leak!

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2 Answers

My Jeep will just randomly shut off when I'm


WHEN COMMING TO A STOP?
IF SO, THE THROTTLE BODY MIGHT BE DIRTY IF IT HAS HIGH MILEAGE, BUT NEED MORE INFO TO TRY TO SOLVE

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2 Answers

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Your Kick down cable is either on too short or come off completely. Check that first before you spend any money on anything else or transmission overhaul

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