What is the small tube next to the gas filler neck? - Ranger-Forums - The Ultimate Ford Ranger Resource


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  #1  
Old 09-27-2015
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What is the small tube next to the gas filler neck?

I have an '05 ranger. On the filler neck, there are two hoses/tubes connected to the tank from the filler neck. There is the large hose which is where I'm assuming the gas pours into the tank from, and there is a small tube. What is this small tube for?
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Old 09-28-2015
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air vent while you refill the fuel tank
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Old 09-29-2015
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So if this is backing with gas and spilling out when I fill up, that's probably why my evap leak light is coming on?

I have a body lift, so I have a home-made extension tube on this pipe, and it leaks around the seal when I top off my tank.
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Old 09-29-2015
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sounds like the evap charcoal canister is plugged up

you should be using a longer fuel rated rubber hose instead of a steel extension

the air vent flap on top of the fuel tank is not closing when it is supposed to

when the fuel level reaches a certain point the fuel will then close the air vent flap ( or it is supposed to )
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Old 09-29-2015
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I am not getting the error code for a stuck valve though. My code is Evap (small leak).

Still a possibility?
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Old 09-29-2015
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the stuck valve is possible problem

the gas cap seal is not strong enough to stop higher fuel vapor pressure trying to escape the fuel tank

but it requires dropping the fuel tank to replace
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Old 09-29-2015
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Well that doesn't sound fun, or cheap. I'll see what my options are.

Thanks!
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Old 09-30-2015
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Just had this on my wife's solara. She had a very small leak, p0456. It turned out it was a cracked vacuum line. Check all vacuum lines to make sure they aren't cracked or broken....

-Nigel
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Old 09-30-2015
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My code is p0442. So far, all of my lines look really good. not dry at all. I don't want to pay to have it smogged, but that might be my only option at this point.
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Old 09-30-2015
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there is a canister mounted on a rail under the bed close to the spare tire


check the hoses that run to and from that canister , those hoses might be the suspect 1`s

you are looking for micro cracks , can only be seen when you pinch the hose in that area
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Old 09-30-2015
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Thank's Cheeseman for your help! I'll check that out.
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Old 10-01-2015
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Finally found the evap canister. It's above the spare tire. Every single schematic I could find online for my ranger was different than my truck. the F150 diagram matched perfect. Odd...


So do I clean the valve on this with carb cleaner? The hoses connecting to it look fine.
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Old 10-01-2015
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pinch the hoses along the length , you are looking for micro cracks

only visable when you pinch the rubber hoses

if the error code is in fact the evap , then you should replace the hoses to and from the canister

any type of fuel hose will do , do not need dealer part

find a flat area of concrete and use large rocks to hold each end after you pull the straight in the hot sun

the hose will lose it`s curl and straighten up , easier to route the new hose(s) that way
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