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wglikes 08-26-2012 03:16 PM

Stalls when stopping on down hill grade
I have an 83 CJ5....original engine and carb.

Whever I stop on a downhill grade, the engine stalls. It starts right back up.
but usually stalls again unless I apply enough gas to raise the rpm.

The stalling is not associated with braking because if I brake and come to a stop on a flat grade or uphill stalling.

I have also noticed that it idles a little higher on an uphill grade.

Any suggestions to correct this problem would be much appreciated.

Oldcraneguy 08-26-2012 05:08 PM

First thing I think id do is check the float level, maybe even get a kit and go thru the carb... If you had mechanical throttle linkage I might even think that your engine is shifting back and forth but I assume yours is cable.
Im trying to think of things that could be gravity related, vacuum lines to can or booster tight or cracked? still the engine would have to shift fore and aft to cause your symptoms, yeah, id have to put my $ on float level...good luck and let us know what you find out....OCG

wglikes 08-26-2012 08:09 PM

I was thinking it may be the float as well....other than stalling what are the symptoms aasociated with an incorrect float level?

Oldcraneguy 08-26-2012 09:35 PM

Depends, if floats to low it will starve for fuel in sustained high power situations if its too high it will cause flooding under certain conditions like unusual angles, easy enough to check, crank it up and run it on flat ground for 15-20 seconds then pop the top of the carb off and see where the fuel level is, if its like 3/4 full or more its prob too high on most carbs, google up your particular carb to find out the correct level/procedure...ocg

sanddrag 08-27-2012 01:57 AM

I6 with BBD carb? Might as well check the idle tubes for being clogged while you're at it. That (and subsequently incorrect idle mixture screws) is what did it for me. Same problem.

The time now is 07:07 PM.

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