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-   -   258 w/Carter BBD running rough (http://www.jeepforum.com/forum/f19/258-w-carter-bbd-running-rough-1542512/)

zx150 06-28-2013 02:15 PM

258 w/Carter BBD running rough
 
I'd got an '84 258 with the Carter BBD (High Altitude). Most if not all of the computer stuff has been axed or bypassed by a DS "mechanic" I had replace the valve cover 2 years ago but it's always started and run 100% fine regardless.

Two days ago it started to run rough at idle and stall every time I come to a stop. I thought I had bad gas so I added carb cleaner to the tank, new fuel, changed the filter and cleaned out the carb with an entire can of carb cleaner but that only seemed to help just a little bit.

With the way it's running is this one of the failure modes of the Carter BBD? What can I do to get it running good again?

This is on an '84 AMC Eagle but it's the same system as the CJ/YJ/SJ.

Thanks!

cruiser54 06-29-2013 09:30 AM

Here you go. Common problem and easy fix.

http://www.jeeptech.com/engine/carter.html

zx150 06-30-2013 10:49 AM

Drilled out the idle tubes and flossed them out. Runs great now.

cruiser54 06-30-2013 03:02 PM

Quote:

Originally Posted by zx150 (Post 15624492)
Drilled out the idle tubes and flossed them out. Runs great now.

I had a feeling. pretty easy, eh?

zx150 06-30-2013 04:37 PM

Quote:

Originally Posted by cruiser54 (Post 15625227)
I had a feeling. pretty easy, eh?

Totally. If you're careful you can even do it without removing the entire carb but I did just to be safe.

I've been driving this one for 4 years now and it's the first issue I've ever had with the BBD.

cruiser54 06-30-2013 04:47 PM

Quote:

Originally Posted by zx150 (Post 15625506)
Totally. If you're careful you can even do it without removing the entire carb but I did just to be safe.

I've been driving this one for 4 years now and it's the first issue I've ever had with the BBD.

I can't remember all of them we did on the 258s at the dealership back in the day. Pull the top off, lift out the tube assembly, drill, flush out, go back together.


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