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Date:         Thu, 31 Oct 2013 11:17:46 -0700
Reply-To:     Scott Daniel <scottdaniel@TURBOVANS.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Scott Daniel <scottdaniel@TURBOVANS.COM>
Organization: Cosmic Reminders
Subject:      Re: No fuel pressure options?
Comments: To: Max Wellhouse <dimwittedmoose@CFU.NET>
In-Reply-To:  <5272679C.4060409@cfu.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

It's not neccessary to remove the screw from the fuel pressure testing port to bleed the fuel lines. It's a contiuously circulating fuel system . Just cycle the key several times to pre-run the fuel pump and fill the lines with gas.

a glogged return line would make things weird ..though I have never actually seen that on a vanagon.

Fuel pressure regulator comes to mind. - which is what determines the fuel pressure of course.. as long as the tank, pump, and lines are doing what they're supposed to do.

On 10/31/2013 7:22 AM, Max Wellhouse wrote: > .1990 GL 2.1 with 260k + (120k on a boston bob overhaul) > > I've been keeping a fuel pressure gauge signal going to my VDO oil > pressure gauge(toggle switch to change sources) and for several years it > read right between 29-36psi just like it should. Then about a year ago > it dropped down to fluctuating to a reading like 17-20 psi. The engine > still started and ran okay, but within the last couple of weeks, i've > run the gas tank past empty on two different occasions and had to > reprime the fuel lines and bleed the air out of the lines from the test > port screw. That seems to be the onlywlay to restart a totally dry fuel > system. The second time it ran dry, repeated attempts to bleed the air > etc. have proven to be unsuccessful i ngetting it to start again > > I realize that running the fuel pump with ho fuel for lubrication is not > good for it, and my spare used pump when installed leaked fuel out of > the crimp at the top, so that wasn't an optio. Before I spend mega buck > on a new pump, I;'d like the list's thoughtson where I go rfrom here. > Could the fuel pressure regulater be causing these issues of no pressure > at all? Is there a chance there's still vapor lock" in the injection > lines downstream of the test port preventing fuel from getting to the > injectors. The engine will cough when ether is briefly shot into the > air horn, so it's not an ignition or compression issue. i have a known > good used regulator, but I'd like a bit of guidance before I do too may > spendy things to get it roling again....and yes, there 5 or 6 gallons in > the tank right now. > > TIA > > > DM&FS >


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