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Unread 12-23-2012, 08:57 AM   #1
norwaywj
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Wj dies when ideling in trafic

I just got a new problem. Two times today I was in heavy traffic and when the traffic stopped completely and the wj was ideling it stoped. After putting it in park I turned it off and on and the problem was gone. It also happend one more time when ideling. I scanned it with an ultra gauge, but did not get any fault codes. It does not happen all the time. Its very windy today and about -3 C så the cold should not be a problem

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Unread 12-23-2012, 11:36 AM   #2
lesterabjr
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Quote:
Originally Posted by norwaywj
I just got a new problem. Two times today I was in heavy traffic and when the traffic stopped completely and the wj was ideling it stoped. After putting it in park I turned it off and on and the problem was gone. It also happend one more time when ideling. I scanned it with an ultra gauge, but did not get any fault codes. It does not happen all the time. Its very windy today and about -3 C så the cold should not be a problem




Crankcase position sensor & or camshaft position sensor. Both are a pain to replace but fairly cheap. Should cure your woes
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Unread 12-23-2012, 11:38 AM   #3
lesterabjr
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Crankcase position sensor &/or camshaft position sensor. Both are a pain to change but fairly cheap. I would go ahead & swap both. Should cure your woes before it gets worse, & it WILL get worse
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Unread 12-23-2012, 12:15 PM   #4
norwaywj
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Is it hard to locate them or is it labour intensive to do the job ?
When it gets worse, will it also die when driving ?
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Unread 12-23-2012, 12:21 PM   #5
USFORCES
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Use OEM aftermarket don't last worth a crap...
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Unread 12-23-2012, 12:23 PM   #6
lesterabjr
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Not hard to locate just a pain to get at, & yes it WILl start to die while driving. I fixed my 4.7 for about $55 plus about 2 hours of knuckle busting.
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Unread 12-23-2012, 12:24 PM   #7
Mp5ben
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Try cleaning your throttle body and IAC before you start throwing money around. My WJ had this problem and in about 10 minutes my WJ was idling perfectly again. Very simple job
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Unread 12-23-2012, 12:35 PM   #8
norwaywj
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Thanks, What is the IAC ?
Not liking the idea of the engine dieing at high speeds.
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Unread 12-23-2012, 12:45 PM   #9
Thomahawk
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Quote:
Originally Posted by norwaywj
Thanks, What is the IAC ?
Not liking the idea of the engine dieing at high speeds.
Idle air Control, its in your tb Throttle body,
Check out wjjeeps.com
All the info you need on sensors and everything.

http://www.wjjeeps.com/service/tbody.htm

Lykke til Mr, og god jul!
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Unread 12-23-2012, 01:05 PM   #10
norwaywj
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Thanks, god jul !
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Unread 12-23-2012, 10:01 PM   #11
ZB_WJ
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Also, please post your year and engine size. Some may not be able to see it on mobile.

Read the TSB on heat soak as well (if it's a 4.0)
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Unread 12-24-2012, 12:56 AM   #12
norwaywj
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Its an 2004 4.7 HO
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Unread 12-25-2012, 12:37 PM   #13
norwaywj
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Anybody knows what happens when it dies at highway speeds ? Does the power steering still works ? Does the brakes work like normal ?
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Unread 02-09-2013, 02:23 PM   #14
norwaywj
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Update. The TPS and IAC arrived first. Changed them, but the problem was still there. Have now changed the crank and camshaft position sensors and the problems seems to have gone away
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Unread 07-15-2013, 11:22 PM   #15
zephyr80
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Quote:
Originally Posted by norwaywj View Post
Anybody knows what happens when it dies at highway speeds ? Does the power steering still works ? Does the brakes work like normal ?
Yes, no, no. It will be easy to steer due to the wheels are spinning, but braking will be difficult.

Sent from your back seat!!!
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