gas tank vent
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Posting Guru
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From: Cincinnati Ohio
gas tank vent
I put a new gas tank in my truck, and the only thing different was it wasent vented, i took the gas cap off the other day and out came air, here latelly its been hard to start, could that be a problem? There was a spot for two tubes on the side, the one gas goes in and a smaller one, it has both but like the old one it also had one at the top of the tank.
Lead Driver
Joined: Nov 2000
Posts: 6,628
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From: Albuquerque
The tank needs to be vented in some way. Possibly with a vented cap in your case. If not you can build up a vacuum that will cause hard starting and vapor lock type conditions. You could also get a face full of fuel when you open the cap.
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Posting Guru
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From: Cincinnati Ohio
Well I think I figured it out, went and took the gas cap off and let it sit a few minutes and started up like it was suppost to. I have always had trouble finding a gas cap, the one I have is somewhat vented, you cna blow though it and a little air goes through but maybe not enough, or maybe is there a way to drill and place some type of vent on top of the tank. I was told there are 2 kinds of tanks, california emmisions and non emmisions, and my truck had one type and then I put another type in it.
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