Driving me nuts!!! Has plenty of power - JeepForum.com
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post #1 of 3 Old 08-19-2011, 11:33 PM Thread Starter
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1994 YJ Wrangler 
Join Date: Aug 2008
Location: houston
Posts: 139
Driving me nuts!!! Has plenty of power

and idles ok,but with the throttle just barelly open (about 14-1500 rpm) it surges BAD!
Changed IAC and MAP,no change.Thought of fuel pump,but it would manifest itself at higher speeds/loads.Spark plugs would also act up through entire range I guess.When it surges like that (light throttle) and take foot of gas,it may occasionally die...wtf?

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post #2 of 3 Old 08-19-2011, 11:43 PM
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1996 ZJ 
Join Date: Dec 2010
Location: The Great Big Box
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Cap/rotor change? Maybe fuel filter?

Also check all of your vacuum lines. Sounds like you might also have a leak. Poke around with some starter fluid.

All about that unibody life.
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post #3 of 3 Old 08-20-2011, 12:22 AM Thread Starter
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1994 YJ Wrangler 
Join Date: Aug 2008
Location: houston
Posts: 139
will check vacuum again,fuel filter is fairly new,as is the cup...thanks
wildbadbill is offline  

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