Question about 1999 Jeep Grand Cherokee

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1999 jeep grand cherokee / 4.0 L.

Jeep was running fine. Drove home, wont start, Engine will crak over, lights, etc. all work.
Opened air cleaner and sprayed engine start fluid in and cranked over, would not run , not even sputer.
Dash gauges indicate Transmission overheat,
Check security system door lock. OK. tried door key left / right. still wont start.
??????????????????????????????? ANy ideas ? Please.

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  • lanceprovost Oct 09, 2008

    I have a 1999 Jeep Grand Cherokee that wont start. Drove it to the store fine and when I came out it would not start. It cranks over and all the warning lights come on the dash and the fuel said empty when there was gas in it all the dash lights are on. The volt gauge only reads 9 volts and wont go higher. We replaced the crank sensor and the scanner on it and no codes came back. Everything works it just wont start. Please help me with this!!!

  • bsjm1958 Oct 29, 2008

    I had same problem with my 99 Jeep, some say relay, and some say fuel pump or filer, I also read some told me it was starter, but I really don't think it is starter, need to fix but car won't start and can take it to shop. help please.. is my address, thank you

  • Anonymous Jan 02, 2009

    I had the same problem with my jeep. Went thru the checklist.., Ended up getting a new battery which temporarily fixed the problem. 2 weeks later replaced the alternator and have not had a problem since.



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I had a skim module go out in mine in the ignition, and I have a 2001. It's a 100 part, and now it starts fine.

Posted on Sep 10, 2008

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The door security has nothing to do with the jeep no starting. Check your electrical leads and also terminal leads that run to the battery. If you can, get your battery and your alternator tested to see if theyre any good. If your dash indicates the following while driving;" Transmission Overheat", then, with the engine running, check your transmission fluid level. If the transmission dipstick indaictes that the amount of fluid is low add maybe a quart to it. if you do this again and you find thats its doing the same thing, then there might be a couple of things wrong;

- 1. You may have a leak somewhere. Check your lines and check around the transmission pan. If you find a leak around the pan, than that means that you need a transmission filter kit. This includes a pan gasket and filter.

- 2. If you lift the hood and look over to the left (standing at the front of the car) and find the reserve tank to have a dark color liquid in there, open the top and see what color it is. If it smells and looks like Transmission fluid, then that means you have a busted radiatior. If you open the radiatior cap and look down into it and see the that the color of the fluid is a pepto bismal- looking color, then its deffinatley time for a radiator replacement and flushing of old fluid out of the system.

-3. Transmission is burning up gears and needs to be replaced. i dont know what jeep was thinking when they put a three speed transmission in a car of that size that idles high beacuse of the gears, when it should be a five speed that idles lower being thats a bigger size car.

-4. Check your fuel lines and your fuel filter.

-5. The sensor that sends a signal to the number one cylinder to fire may have gone bad and needs to be replaced.

Posted on Nov 24, 2008


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