Question about 2004 Kia Optima

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Gas cap release button is broken on 2004 kia optima

My daughter's gas cap release button pushed in on her 2004 kia optima. It has been hard to release but now won't open to put gas in. What needs to be replaced?

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  • Anonymous Apr 13, 2009

    I have an 03 optima with the same problem, only I pushed it too hard to try to get it open and the whole button went in the door :(

  • Anonymous Mar 17, 2014

    gas cap release not working

  • Anonymous Mar 19, 2014

    can't open the gas lid with button on door

  • Anonymous Mar 31, 2014

    I cant find the release inside to open the area for me to get gas.

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  • 651 Answers

If you can some how manage to get it opened, spray some lubracant on the button inside the door. if not you'll need to replace the release cable.

Posted on Dec 01, 2008

  • john downey Aug 24, 2013

    yea but how do i get it opened

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I have a 2004 kia optima and i have no heat. checked all the fuses and all good but still dosen't blow heat.


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I have a 2004 kia optima with 52000 miles on it. After every fill up at the gas station no matter if I put 5 dollars or 20 to fill the tank up the car won't start unless I put my foot to the gas pedal and...


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Next time you use the car when you arrive at our destination, simulate what you do when you fuel up. This will mimic everythig except the new fuel rushing in. If it is still hard to start you know it's something to do with the evaporative fuel system. If not, you need the fuel tank inspected .

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Sep 07, 2009 | 2004 Kia Optima

1 Answer

Whenever we put gas in our 2004 kia optima it does not want to start. what could be the problem?


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Fuel Filter Location


I called the dealer and the dealer said it does not have an in-line fuel filter, but there is one the fuel tank (actually, it is a fuel pump strainer part#FS233 for $10.oo).
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The fuel pump cover is right behind the rear car seats in the trunk.
Be very careful when messing with gasoline. I will be replacing the strainer this weekend, but I plan to siphon out the gasoline before I do (I just feel safer with the tank empty)

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