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Trouble filling up


Otis Nice

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Buddy gave me a beat up 2000 Elantra. Only had 141K when I got it. Runs pretty well. After new tires and a tune up it's truckin' along. Only problem is this:

 

When I go to fill 'er up with the ol' petrol I can only pump about .25-.5 gallons before it kicks off. Did my research and found out that the vent valves get fouled up causing the air escaping from the fuel tank to come back up the neck. Replace the valve today but it's still doing the same thing.

 

Any clue as to what might be causing this?

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Its normally always in the vent valve. Your in the right spot. Cant help without seeing car and hooking up scan tool.

 

I have found the entire evap canister full of water sometimes causing the same issue

 

I'm willing to travel. :)

 

I replaced the valve. El cheapo chinese crap from AutoZone. I wouldn't think a new one would be bad.

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Remove the valve and see if it works right. I'd bet it won't, need to find out where the restriction is that is keeping the tank from venting.

 

Yeah. I just can't figure that part out. Not as tech savvy as some of you. Ran a siphon hose into the tank via the filler neck and all was clear, then replaced the vent valve. Guess I just need to do some trial and error to find it out. Hoping dad or someone on here might be able to take a look or have insight as to something that has caused them a similar problem in the past.

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When pumping don't fill as fast, and don't put the neck in all the way. The vapors just need somewhere to go.. I have this issue with my echo lol.

 

Tried that too. Helps a little bit but not much. I hardly had the nozzle in (save the jokes, lol) and only pulled the lever enough to get the gas flowing but it still did the same thing.

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I'm putting money on charcoal canister like everyone else says. Is the cel on?

Or do you know if you have good power and ground at the plug for valve?

 

The valve is normally off and venting. Best way to check the circuit is to put a test light between the terminals. Unless you have a scan tool to command it on it shouldn't light. This would be working normally.

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I'm putting money on charcoal canister like everyone else says. Is the cel on?

Or do you know if you have good power and ground at the plug for valve?

 

No CEL. Everything else seems to be working great.

 

The valve is normally off and venting. Best way to check the circuit is to put a test light between the terminals. Unless you have a scan tool to command it on it shouldn't light. This would be working normally.

 

Thanks. I'll try to get to dads and use his test light to check.

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