Mechanics

FUEL FILLING PROBLEMS

2001 Kia Optima • 6 cylinder •

2001 Kia Optima when you go to put gas in it it spills out the filler neck, it take 20 min to put in 5 dollars of gas. I have tried to stick a wire and hose down the tank with no sucess
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Debaccos
November 23, 2010.



Vent valve faulty traping air intank


Docfixit
Nov 23, 2010.
Where is that and can I bypass it or do I have to replace it. I am driving 13 hours today to fix it for him and not sure if we can get the part


Tiny
Debaccos
Nov 23, 2010.
Tried to get a PIC but KIA provides no info. But valve will be one of two places either on top of tank or in a hose that goes from tank along filler tube


Docfixit
Nov 23, 2010.
Can I bypass it whein I find it?


Tiny
Debaccos
Nov 23, 2010.
Yes maybe able to clean vapor and moisture build a gunk up valve if notreplace with a hose do npot plug needs to allow air to escape as fuel goes in


Docfixit
Nov 23, 2010.
I will give it a try thanks


Tiny
Debaccos
Nov 23, 2010.
Good Luck on trip this may sound flaky but if vale can't be found slide a 1/4 tube down filler neck to expel air


Docfixit
Nov 23, 2010.
GREAT IDEA!


Tiny
Debaccos
Nov 23, 2010.
My daughter has an 02 Optima that had the same problem. Ran several hours of troubleshooting including removing and checking the cannister, which was fine. I finally found a 1-way check valve that was installed backwards (at the factory). As soon as I disconnected the valve, the pressure instantly released. We reversed it and the car took fuel normally. The valve has the flow arrow molded on it. It should point toward the fill cap, not to the tank.


Tiny
DB
Aug 21, 2011.