Some assistance with a hard starting 258 with Howell - JeepForum.com
 
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post #1 of 1 Old 07-10-2011, 01:35 PM Thread Starter
dwink
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2012 JK Wrangler 
 
Join Date: May 2009
Location: Lake Tahoe
Posts: 290
Some assistance with a hard starting 258 with Howell

Hey all!

I know that I actually have a YJ, but with the 258 I think this is a better place to ask this.

I recently updated my Jeep from a Weber 38 (for sale, BTW) to Howell for a couple of reasons, but emissions is the big one.

My jeep ran great with the 38, however I also had a big problem with vaporlock (Living in Reno, high altitude and high summer temps) that also was a motivator for me.

So the conversion went well, Jeep started right up and was running fantastic (not as much power as the 38 down low, but great manners) but the issues that I have been experiencing are as follows-

Warm starts are very hard, they take 5-10 seconds of cranking to get the jeep to fire up, and when it does it is running rich (black smoke for a minute) and then goes back to normal.

When the jeep is cold it fires right up, and hot starts are also fine. It seems to be the worst when it sits from 20 minutes to a couple of hours.

I need to update my signature, but all mods are still correct except the carb- so MSD ignition, headers, team rush.

I did not check timing- so I was thinking that could be an issue, and I also thought I might be dealing with vaporlock again, but I would think that I would not be burning black if that were the case.

Any thoughts on other things to look at?

Thanks in advance!


2012 Wrangler Rubicon- OME 2.5 HD lift, adjustable lower control arms, Adjustable sway bar links, AEV rear bumper/carrier, Rugged Ridge XHD front, Hella Rallylight upgrade, MORE skids, 315/70 DuraTracs on stock wheels for the winter, working on my summer setup.



Retired.... but a good friend still has her! 1990 YJ 3" Trailmaster 258 Jasper re-manufactured engine. Nuttered. Webbered (38). Team Rushed. Headers. Cancel that Webbered- went to a Howell FI setup.
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