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Old 07-07-2010, 01:31 AM   #1
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97 jeep no start

Hello I got a 97 jeep wrangler 4.0l mt. It will crank over but wont start and run. my brother was trying to move it and tried jumping it with a charger. I dont know what happen but. it wont run. I hooked up a scan tool up to it and did key off and on trick both dont work no commucation from the scantool. So replaced the computer still have the same problem. checked and replace the crankshaft sensor. still the same problem. have no spark , fuel pressure and power to the fuel injectors or coils. Checked all the fuses fusealink link the i know of and relay the are tested good. I wondering anyone has any ideals.

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Old 07-07-2010, 01:44 AM   #2
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have you done any kind of trouble shooting involving the battery?

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Old 07-07-2010, 01:55 AM   #3
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yep replaced the battery
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Old 07-07-2010, 02:05 AM   #4
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did you trace all the lines from the battery. check the battery cable off of the starter? it could be the ignition switch. have you noticed any electrical problems? sears will check the starter and alternator for $20.
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Old 07-07-2010, 02:43 AM   #5
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just the after market radio stoped working and the battery would go dead if it was drove for a week. But thats about it.
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Old 07-07-2010, 04:20 AM   #6
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when you tried to jump it did it start? have you tried compression starting it? if you can get it to run by some other means then starting it with the key that really cuts down the list of what could be wrong unless its an intermittent problem. if it is intermittent good luck
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Old 07-07-2010, 04:30 AM   #7
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Quote:
Originally Posted by jeepf100 View Post
just the after market radio stoped working and the battery would go dead if it was drove for a week. But thats about it.
not sure about the radio. how old was the battery before you replaced it? did replacing it solve the problem? if replacing the battery solved the problem then your alternator might be bad and it might not have been charging your old battery or the new one. also just because the kid behind the counter at your local autochina store said the battery is good doesnt mean it is. i had mine tested twice and both times they said it was good and it turns out they were wrong.

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