95 ZJ 318 stalls/dies when stopping - JeepForum.com
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Unread 02-25-2014, 05:46 PM   #1
zjfisher
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1995 ZJ 
 
Join Date: Feb 2014
Location: spokane, wa
Posts: 19
95 ZJ 318 stalls/dies when stopping

I just bought a 95 ZJ with a 318 and 186k miles. I've noticed that it stalls when stopping and occasionally dies as well. The RPMs drop to about 250 when stalling but then just before stopping RPMs will increase to around 750 and it will jump. Is it possibly the torque converter? I also noticed that the transfer case grinds gear when going from neutral into 4AT (Quadratrac) like a missing synchro in a manual trans. has anyone had the same issues? any advice would be greatly appreciated!

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Unread 02-25-2014, 09:02 PM   #2
jnicewan
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1995 ZJ 
 
Join Date: Dec 2010
Location: Norman, OK
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Torque converter is possible (ck trans fluid level) but I would check a couple other more common things first, like the IAC and vacuum lines. Other than a can of carb cleaner the IAC and throttle body cleaning is free and its best to remove the IAC for cleaning. Check vacuum lines and gasket areas for vacuum leak by spraying carb cleaner around them with engine running and pay attention for idle to change. When you clean the throttle body & IAC, go ahead and disconnect the battery negative cable, this will reset the PCM so it can relearn its base idle strategy with clean components.
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Unread 02-25-2014, 11:26 PM   #3
zjfisher
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Thank you, I will try that.
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Unread 03-05-2014, 11:55 PM   #4
zjfisher
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Quote:
Originally Posted by jnicewan View Post
Torque converter is possible (ck trans fluid level) but I would check a couple other more common things first, like the IAC and vacuum lines. Other than a can of carb cleaner the IAC and throttle body cleaning is free and its best to remove the IAC for cleaning. Check vacuum lines and gasket areas for vacuum leak by spraying carb cleaner around them with engine running and pay attention for idle to change. When you clean the throttle body & IAC, go ahead and disconnect the battery negative cable, this will reset the PCM so it can relearn its base idle strategy with clean components.
Unfortunately no luck on those three, the IAC wasn't terribly dirty and there was no change in idle for all the vacuum lines I could find. Does anyone know where the 318 is supposed to idle? Does anyone also have any other suggestions?
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Unread 04-22-2014, 03:07 PM   #5
zjfisher
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1995 ZJ 
 
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Location: spokane, wa
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Well I finally was able to replace the TPS to no avail. I am going to try the IAC next and hope for results.
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Unread 08-22-2014, 03:15 PM   #6
zjfisher
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1995 ZJ 
 
Join Date: Feb 2014
Location: spokane, wa
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I haven't replaced the IAC, but I did replace the EGR transducer and voila! There's no more stalling and it runs better than ever! I also replaced the PCV and PCV hose, and the crankcase breather and 20 year old grommet which was hard as plastic.
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Unread 08-23-2014, 11:02 AM   #7
scottyjeep
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How did you figure out that it was the transducer that was at fault?
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