89 4.2 with weber and nutter erattic idle shuts off when stopping - JeepForum.com
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Unread 07-28-2013, 07:45 PM   #1
bigdog89
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1989 YJ Wrangler 
 
Join Date: Jul 2013
Location: roberta, ga
Posts: 6
89 4.2 with weber and nutter erattic idle shuts off when stopping

I have a 89 yj with 4.2 reman engine(less than 500 miles on it)and 5speed manual with weber 32/36 and nutter upgrade,it has new distributer.It runs great while driving but has errattic surging idle and will shut off sometimes at stops but starts back up no problem it is also a little hard to start when cold.I would welcome any advice

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Unread 07-28-2013, 08:30 PM   #2
TheWagoneer
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Join Date: Jul 2013
Location: Mascotte, Florida
Posts: 20
sounds like a Vac leak
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Unread 07-29-2013, 01:40 PM   #3
ForestJeep89
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1989 YJ Wrangler 
 
Join Date: Oct 2012
Location: Bellingham, Washington
Posts: 121
my suggestions are to start learning about the correct way to adjust your timing and air/fuel device[carb].
At first these things can seem massive in nature but soon become old hat.
To locate problems in these systems one usually follows a "tune up " procedure or "check" and in the process of being detailed at this usually can pinpoint issues.
Several issues have multiple causes.
Search the forum for your carb tuning sequence and search for timing sequence etc.[don't use the term sequence:}
It is possible the "rebuilder" of your motor screwed sumthin up and is yet another reason why one should learn how to engage directly with his/her rig.
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Unread 07-29-2013, 02:38 PM   #4
bigdog89
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1989 YJ Wrangler 
 
Join Date: Jul 2013
Location: roberta, ga
Posts: 6
I STARTED OVER FROM BASELINE ON CARB FOUND LEAK IN GASKET ADVANCED TIMING 8 DEGREES NOW WORKS GREAT.WHY DO YO SOME PEOPLE LIKE TO BE CONDESENDING WHEN ALL ASKED FOR WAS A FOR LITTLE ADVICE.BTW i HAVE 30 YEARS EXPERIENCE AND OWN MY OWN SHOP BUT HAVEN'T WORKED ON OLDER JEEPS BEFORE SO THOUGHT JEEP FORUM WOULD GIVE ME SOME INSIGHT MR FOREST JEEP 89
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Unread 08-01-2013, 11:23 AM   #5
ForestJeep89
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1989 YJ Wrangler 
 
Join Date: Oct 2012
Location: Bellingham, Washington
Posts: 121
I am sorry u feel looked down upon , truly..
My intent wasn't that at all, in any way.
My advice was simply to start at the beginning ,in the most basic ways, as this mundane stuff is what will gain the most baseline info on anything in life.
There was no mention of these basics attempted in your original post so I logically started at the beginning.
I can see that you did proceed with basics and it aided you in your solution by your second post, good job!
I will assume you were under stress of some kind, and were leaning towards the defensive side of perception, judging by all the yelling and accusing.
No sweat ,life can be troubling.
Please have a good day
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