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Old 07-24-2010, 08:00 PM
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Died going up a hill

I was climbing a long, rough hill today, not too steep but had been climbing it for about 1.5-2 miles. While going up one particularly rough section, the jeep stalled out and died. I'd restart and when I tried moving again, it died. This happened a few times (all while sloping up hill). It got to the point where it would turn over, rev a second then die. We pushed it around to get it facing downhill again. By this time the battery was drained from starting too many times. I rolled down the hill a ways, tried popping the clutch a few times before it finally caught. From there, it ran perfectly for many miles, including some good hills.

It's an 87 YJ with the 4.2, a Weber carb that I installed about 300 miles ago and a fuel filter installed at the same time. I filled the tank before heading out today.

Any ideas on what the problem might have been and how to fix it? I'm thinking maybe the fuel pump just didn't have the power to keep pushing it up.

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Old 07-24-2010, 08:04 PM   #2
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The fuel pump definatly had enough power, you have to realize that its a carb... and carbs don't like hills that sounds perfectly normal for climbing a steep hill with a carb, mine's done it a couple of times too

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Old 07-24-2010, 10:37 PM   #3
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I agree with Vaultzz.

One thing to check is the fuel filter - Just in case it's not performing at optimum. Especially if you had a low fuel level in the tank at the time.
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Old 07-25-2010, 01:55 PM   #4
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My 89 4.2 had a clogged Cat. It never used to like hills. Replaced the Cat. and now it can climb hills all day. It never ran so good and has a lot more power.
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Old 08-24-2010, 09:39 AM   #5
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My buddy's jeep is carb feed and his does the same thing when he climbs, But as long as he is porring gas to the engine he can climb with no problem. If he boggs down and lets out the gas on any kind of hill it wants to die though..
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