Question about 2002 Jeep Grand Cherokee

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Occasionally after driving 2002 jeep grnad cherokee 4.7 it will not start. Sometimes you can hear the fuel pump kick on and it will start, sometimes it won't.

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The electric fuel pump in the fuel tank is "sticking" most likely, u can confirm this by checking the fuel pressure or spraying starting fluid (avil from any auto parts store for about $4) into the engine air intake when it is a no start, if the engine starts then u will need to replace the fuel pump, the pump is located inside the fuel tank, it will be ness to remove the fuel tank to access the pump for replacement.

Posted on Aug 23, 2010

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1 Answer

My 1995 jeep will die just driving and sometimes will start right back up other times you have to wait about an hour. fuel pump is working fine you can hear it


The pump can be running but not pumping any fuel.
When it stops running you will need to figure out if you are loosing spark to the plugs or fuel to the injectors.

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More likely the fuel pump

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good morning to you and welcome to fixya.com. hope we can get you fixed here. just a couple of questions first? have you changed the fuel pump yet? if so where did you buy the pump from? your pump is actually building up to much resistence and is unable to overcome it in turn no power is getting to pump as needed. i have a grand cherokee with 230k so i love hearing that you have that many miles. lets keep you rolling. let me know and ill help you out.

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1995 Jeep Grand Cherokee Won't start.


check fuel pressure,spark and injector pulse

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