I am kind of at a loss on my vacuum repair. I had noticed that the fuel door was locking as the doors and the trunk. What caught my attention was that the fuel door would unlock in a short amount of time. This lead me to think that it might be the problem. I removed it, and the trunk element. I tested both of them, and they both tested good. Both of them held vacuum very well, and unlocked. I don't have a clue why the fuel door was operating the way it was. Another question I have is can the tubing get porous and leak? I can see it getting cracked and broken, but I didn't think it would have holes in it? The line from the fuel door to the trunk seems to drop down on vacuum slowly. I am not sure what size of tubing and rubber connecting it to the elements is?

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Rebe