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Unread 05-29-2010, 07:07 PM   #1
kiitanak
Registered User
1994 YJ Wrangler 
 
Join Date: May 2010
Location: costa rica
Posts: 34
4th gear idel issues

so ive noticed for the past couple of weeks this new problem, or maybe just a small issue. i live on the top of a mountain(5min just to get to the bottom) and when im driving down the hil, switching sometimes from 4th gear into N, too slow down. the idel on my RPM gauge jumps all the way to zero, and sometimes my yj just shuts off, or instead of shutting off, it bounce back up to normal....
is this a common problem on a yj. i have 255,000 miles on it, runs great, still strong. except for that issues when im driving and i give it N, when coming off 4th. it also happens sometimes on the hwy, if im on 4th and then put it in N to just cruise on a down hill of a hwy.
help plz!!!
thnks again guys,
p.s. car is completey stock, no mods no where.

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Unread 05-29-2010, 08:09 PM   #2
moonshinefuel
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1995 YJ Wrangler 
 
Join Date: Feb 2009
Location: Los Angeles. California. United States.
Posts: 4,911
Maybe you just need a tune up, and clean out your throttle body system, put some good quality fuel injector cleaner oin the gas. Eliminate all the common causes first.
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Unread 05-29-2010, 09:36 PM   #3
kiitanak
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1994 YJ Wrangler 
 
Join Date: May 2010
Location: costa rica
Posts: 34
thnxs will be checking that out this weekend
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Unread 05-29-2010, 09:52 PM   #4
MJMPC
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1991 YJ Wrangler 
 
Join Date: Nov 2008
Location: Elizabethtown, Ky.
Posts: 3,070
Try checking for codes.
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Unread 05-30-2010, 04:46 PM   #5
kiitanak
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1994 YJ Wrangler 
 
Join Date: May 2010
Location: costa rica
Posts: 34
thnxs
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Unread 06-02-2010, 09:02 PM   #6
kiitanak
Registered User
1994 YJ Wrangler 
 
Join Date: May 2010
Location: costa rica
Posts: 34
found oil spewing out of the crank case vent hole, it has a connection to the airbox, the tb was sucking that up, any idea hoe i can fix that, has this happened to anyone????
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