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Old 12-22-2010, 10:49 AM   #1
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Question 88 yj dies when it gets warm need help

88 yj dies when it gets warm
i have a 88 yj 4.2 and after it gets warm (3 - 5 miles) it dies and it will not start for hours later. it acts like it is not getting any fuel. i put a new filter and pump on it replaced the carb with a webber, tune up new dist., coil wires etc..droped gas tank cleaned it put filter in tank. and it still dies. does any one have any ideas how to repair.

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Old 12-22-2010, 11:41 AM   #2
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Is there anything hot next to the fuel line? I saw some people mentioning gas being heated to the point it causes "vapor lock".. GL

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Old 12-22-2010, 12:04 PM   #3
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the fuel line comes up the side of block an over the top of vavle cover to carb
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Old 12-22-2010, 07:35 PM   #4
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Are you getting spark at the plugs?
If not then I would be checking the emc. Let me know.
If so if you pour a little fuel into the carb when it stops running will it start and run for
a few seconds?
If it will then you know you have a carb/fuel problem.
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Old 12-22-2010, 07:38 PM   #5
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I had this happen in my old volvo.. i'd be driving home from work and it'd just die while driving on a busy road.. my fuel lines where shot.. try that!
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