Starting issue and fuel filling problem

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WheelNut

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Feb 16, 2021
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Hi folks,

An issue is just starting to crop up with my KJ lately. There are two things and they might be related:
1. Sometimes the truck is soow to start. It needs about an additional second of cranking or else the engine will stumble and die out. It seems like this might be worse when the fuel level in the tank is higher.
2. This has started recently as well- when completing a fuel up the pump will not auto stop and some fuel will puke out and dribble down the side of the truck onto the fender flare. This has happened the last three or four fuel ups.
Any one recognize these symptoms as an issue with a particular component?
 

mrlavalamp

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Jul 12, 2017
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There is a valve in the fuel line leading from the fill cap into the tank.

This valve is sticky and causes the fuel burp.
 
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