Question about 2001 Jeep Grand Cherokee

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Jeep grand cherokee loredo 4.0l 2001

The jeep one day get back to home and next day the engine will turn over but will not start. I check over and didn,t get fuel and no spark. I did replace the fuel pump, now I have full pressure 50lbs. Still do not have any signal at fuel injectors and I believe no spark. I did change the came sensor. The diagnostic is ''NO COMMUNICATION FROM CKS AND PCM''. Please see if can help me with your good knolegmente.

Thanks

Ismael

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Sounds like the ECM has failed. Most likely caused by water damage. It would probably do well to pick one up at a junkyard but if you've got this must catastrophic of a shutdown of the engine and all of it's components then the root source will be the ECM. Hope this helps. Good Luck!

Posted on May 08, 2009

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Did you replace the fuel filter? Sometimes you need to put a couple can or containers of heet or fuel line cleaner in the tank. Check all of the fuses in the vehicle and under the hood if equipped. : )

Posted on May 08, 2009

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