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Date:         Fri, 18 Jul 2014 11:46:39 -0400
Reply-To:     Dennis Haynes <d23haynes57@HOTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Dennis Haynes <d23haynes57@HOTMAIL.COM>
Subject:      Re: Strange problem after 30 mins of running
Comments: To: "kenneth wilford (Van-Again)" <kenwilfy@COMCAST.NET>
In-Reply-To:  <CANEuo0gwJBRABAw8F7avf=JzcT5-bM7h0z15rbRG614tCQCdPg@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Check the carbon canister and make sure the vacuum operated vent valve is opening when the throttle is opened. If this is a vent problem the tank is probably collapsed now and will need to be replaced, especially if it is one of the after market tanks.

Dennis

-----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of kenneth wilford (Van-Again) Sent: Wednesday, July 16, 2014 5:42 PM To: vanagon@GERRY.VANAGON.COM Subject: Strange problem after 30 mins of running

Had a customer that had a great running van, but he was getting a whiff of gas every time they filled up with gas. So they had a local shop (not us) replace the fuel lines on the top of the gas tank. However after the gas tank reseal, now they are having a strange running issue. The van will run for about 30 minutes and then seem like it is starving for fuel. The shop where it is now is scratching their heads and assuring the customer that it can't have anything to do with the gas tank reseal. I think that it does have something to do with this, and my theory is that for some reason, the gas tank vent is blocked allowing vacuum to build up over time and eventually starving the van for fuel. Has anyone else experienced this problem? I am thinking a good way to test it is to have the customer remove the gas tank cap once the van starts acting up just to see if pressure is released.

Of course it could be that maybe the charcoal canister is blocked and the leaking vent hoses were actually preventing this problem from happening previously. Now that everything is sealed up tight, it is actually causing a problem since there is no outside air coming into the gas tank.

Any ideas you folks have would be welcome.

-- Thanks, Ken Wilford John 3:16 www.vanagain.com


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