Question about 2000 Jeep Grand Cherokee

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Bad Storm, Jeep stopped running

I was out doing some shopping and came home and the jeep was running fine. I get home and a really bad storm came through where there was alot of lightning. So after the storm passed i had to run to the store again and when i got in the jeep to start it, it turns and turns but does not start and the security key light comes on, turns off, and comes on again. Also I don't hear the fuel pump coming on and the fuel gauge is now at empty (and i just put fuel in it today when i went to the store). Also the battery meter is reading 9 Volts but I checked the battery and stuck it on charge for over an hour and am still getting the same problems. I tried crawling under the vehicle to listen for the fuel pump as my wife turned the key on and off and nothing at all. What is going on??? I've never had anything go wrong with this vehicle and now it's not doing anything. Help please someone!!!!!!

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  • La Vonta Brown Jun 18, 2009

    so tomorrow when i go work on it what should be my next step to figure out what is going on?

  • La Vonta Brown Jul 06, 2009

    Sooo I've finally broke down and had the vehicle towed into the dealership and at first they were getting the same thing that i was when they ran a diagnostic to the computer... The computer was throwing a bad signal so they called me telling me that it was the computer..... They think!!! I told them to make sure that was the problem before i fork out close to 600.00 for the computer and what they did next was pulled the pcm out and flashed it and installed it again and still the vehicle wouldn't start, but the check engine light came on and they ran another diagnostics and this time the computer threw a crankshaft position sensor... So after all of that it turns out that its the crankshaft position sensor... That only cost me close to 600.00 after paying for towing, labor, diagnostics, and parts. So now the jeep has a very pretty 4-sale sign on it and is going online on craigslist!!!! Thanks for all the help and if anyone runs into this same problem where the gauges are screwed up, cars not starting but the starter is turning, call your local autozone and get a crankshaft position sensor and spend 50.00, not 600.00!!!! Thanks



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It sounds like your problem is in the ignition. Maybe you are using a valet key or your ignition switch has failed. Often when a security light comes on it is because your ignition is not getting the electronic signal needed from the key(coded) to start the car. When your ignition does not recognize the key it shuts off all fuel systems but starter still goes.

Posted on Jun 18, 2009


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