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Unread 03-15-2006, 05:59 PM   #16
GroundClearance
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It idles fine normaly, just when you shut off the ignition that it starts getting rough.

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Unread 03-15-2006, 06:04 PM   #17
jipjip
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to the OP, you have a bad ignition switch, or key cylinder.....it's not switching power off to the ignition and fuel pump, so the engine stays running... most of the time the key cylinder goes bad first.... especially in jeeps this old. mine had the same problem, replaced the key cylinder, problem solved.
good luck
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Unread 03-16-2006, 05:32 AM   #18
Bobbywolf
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have you done any work to your alternator? If you bypass the resistive wiring on terminal #1 of your alternator plug, your jeep wont shut off either because of the back voltage. Long shot I know, but it happened to me this weekend when troubleshooting a charging problem.
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Unread 03-17-2006, 04:50 AM   #19
jeezer93
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Quote:
Originally Posted by Groundclearance
It idles fine normaly, just when you shut off the ignition that it starts getting rough.
I would still check the ignition switch. I don't think it is dieseling if the guages still work when the ignition is turned off. I have seen ign switches go bad and do exactly as you describe. In a perfect world it might go bad and give you full battery voltage when the key is off and run smooth. However, I would lean towards it being bad and not giving full battery voltage. Engine's can run like crap when the computer, fuel pump etc... don't receive good power. Good luck and let us know what you find.
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Unread 11-07-2013, 10:09 PM   #20
duztytrue
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Yeah my 90 yj is doing the same thing. I changed the ignition lock, ignition switch, i checked the rod all is fine there too! I am at a loss.
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Unread 11-08-2013, 01:59 PM   #21
Mark05059
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zombies are among us!!

this died 7 years ago... make a new thread
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Unread 11-08-2013, 02:30 PM   #22
bpounds
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Quote:
Originally Posted by Mark05059 View Post
this died 7 years ago... make a new thread
He did.
http://www.jeepforum.com/forum/f12/j...nning-1764697/

Apparently he didn't like our suggestions.
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Unread 11-09-2013, 08:07 AM   #23
duztytrue
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I am trying the suggestions it just takes me while to respond sorry
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Unread 11-14-2013, 09:21 PM   #24
duztytrue
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Got it just checked all connections and must of had a loose one.
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Unread 11-15-2013, 12:08 PM   #25
bpounds
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Glad you got it. But I don't believe a loose connection would cause the engine to run-on. Something was shorted somewhere. And if you didn't actually find it, it may come back.
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Dodge did not build my Jeep.
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