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post #1 of (permalink) Old 11-28-2002, 06:43 AM
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Grand Cherokee dies, please help

I have a 1993 model of Grand Cherokee with the 4.0 liter engine.

Yesterday we started it and it ran for 2-3 secs and died. We did this few times and it went alwais like that.

I talked to a mechanic and he thought it was the alarm system but I am sure there is no alarm system in the vehicle. It has keyless entry but I can open with the key without any problem.

Thanks in advange,

Jon H.
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post #2 of (permalink) Old 11-28-2002, 08:22 AM
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Re: Grand Cherokee dies, please help

I had two GC w/4.0L do the same thing but each one had a different problem / #1 was the anti-theft which the customer didnt know he had / would start and die / changed his own battery and thats when it acted up / to disable it you hafta lock all the doors and then unlock just the PASS door with the key and then hit the door unlock button and that should do it /#2 was the ECM computer / the fuel pump relay gets it start power from the ignition switch and once its running it gets its power from the ECM computer / so needless to say the ECM was not suppling power to run it / to check this you can self power the fuel pump relay and if it runs the ECM is bad or you have a wiring problem / what you need to do is get it hooked up to a scanner[code reader] and see whats up with it / good luck [img]images/graemlins/wink.gif[/img]
post #3 of (permalink) Old 11-28-2002, 12:05 PM
Mud in my Veins
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Re: Grand Cherokee dies, please help

I dunno why you asked this on the Dodge Truck forum, since your Jeep doesn't even have the 5.2L or 5.9L, but asking this on the <font color="red">Jeep-Mid-Sized</font color> forum would be a good start.[img]images/graemlins/tongue.gif[/img] That is where the other Jeep Grand Cherokee owners hang out. Click on <font color="orange">Main Index</font color> above and scroll down farther than you did last time.
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