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Old 03-02-2008, 02:56 PM   #1
JFlanny11
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Engine Cuts out at stop

So my buddy Just got an 89. The 258 is bone stock besides a fuel regulator and a Weber 2-bbl 32/36 carb. When he gets to a stop light or stop sign the Jeep putters and stalls out. Had the igntion system checked at sears and all was fine. We replaced the inline fule filter and it still does it. Where do we start? What could be wrong?

Thanks in advance!

Josh

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Old 03-02-2008, 03:02 PM   #2
ElvisV04290
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I would try turning the idle up or even re-tuning the carb and see if that helps. Also I would try cleaning it out with some carb cleaner.
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1990 YJ, Colorado Red with 'Laredo' markings, 4.2L, TF999, NP231, Valvoline Syn fluids, Weber 32/36, Nutter Bypass, Dana 30/35, 16" Electric Fan, Optima Yellow Top, 140amp alt., K&N Air Filter, Cherry Bomb muffler, SRC Front Bumper, CH&F Shackles, KC 100w Daylighters, Homemade Lightbar, Rear Aux lights, Cobra CB/PA/WX, 102" Whip Ant., 400 watt power inverter, 2 fire extinguishers, Mobile Internet & WiFi equipped.
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Weber 32/36 Install -> http://www.jeepforum.com/forum/f12/weber-32-36-install-write-up-382309/
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For anyone with a 4.2L --> http://groups.jeepforum.com/258s_Unite
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Old 03-02-2008, 04:01 PM   #3
docneon
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Turning up the idle may keep it from dying, but may not be the answer to the problem. Set your idle to factory specs (maybe a tiny bit higher it is a 20 year old rig). The weber carbs are notoriously bad...period. Most will tell you to save money and aggrivation by swaping out to a Motorcraft before going any further down the trail

Are there any other issues we need to know.

Is it auto or manual transmission.
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Old 03-02-2008, 04:14 PM   #4
snagno1
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Remove the air cleaner from the throtle body clean the throught and plate with carb cleaner .
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Old 03-02-2008, 05:56 PM   #5
That1guy
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From the FAQ

My carb'd Jeep keeps stalling when I hit the brakes - why!? - Welcome to the world of the early YJ. It is a well known problem and a complete PITA! To start, check all the vacuum lines around the carburetor. Any that are cracked or missing - replace. Once that is complete, if there is no change in the way the Jeep runs, try a simple repair as listed at JeepTech.com. If that doesn't work, then its time to visit a professional, or go the route of thousands of other Jeep owners and get rid of the Carter carb and replace it with a Weber carb .. you can find these carbs from E-bay (used) or new at many autoparts stores. For further information, you can also check this list of links directly related to the carburetor. If you want to know how they work, HowStuffWorks.com has the answers!

The under lined stuff are links. Go the the FAQ to use them. It the first post about 2/3 down
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Old 03-02-2008, 06:24 PM   #6
pat8942
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Make sure your idle jet isn't plugged.
I have a 32/36 on my VW Beetle and it did the same thing one day and I pulled the jet and shot it with some carb cleaner and no problem since.
Quote:
Originally Posted by JFlanny11 View Post
So my buddy Just got an 89. The 258 is bone stock besides a fuel regulator and a Weber 2-bbl 32/36 carb. When he gets to a stop light or stop sign the Jeep putters and stalls out. Had the igntion system checked at sears and all was fine. We replaced the inline fule filter and it still does it. Where do we start? What could be wrong?

Thanks in advance!

Josh
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Old 03-02-2008, 07:14 PM   #7
franco...
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i had the same problem, i bought a carb rebuild kit and rebuilt it myself. not that hard.
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Old 03-04-2008, 02:04 PM   #8
JFlanny11
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Gay..... The EGR valve was rusted out, replaced and all is well. Thanks guys!
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Old 03-04-2008, 11:05 PM   #9
docneon
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congrats. for once an easy/inexpensie solution
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Quote:
Originally Posted by Bhelliom
I assumed this thread was going to be something completely different.

I was sorely mistaken
l _____
/l ,[_\_\],
l---L –[]lllllll[]-
()_) ()_)
---o-)_)
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Old 03-04-2008, 11:23 PM   #10
Brandon_YJ
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Quote:
Originally Posted by JFlanny11 View Post
Gay.....
It's funny how that word has morphed its meaning so much during my lifetime, more than any other commonly used word/phrase that I can think of right now.
You gotta love neologisms.

I now return you to your regularly scheduled thread.
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