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I have tried both methods. I have the Marshell on a t-piece, ensured that I had it pumping through to a jerrycan, then while flowing, blocked the outlet of the hose. I have also tried, with the autometer, the same scenario, and while flowing again, forced the gauge over the flowing end, screwed it in to the hose and clamped it. No luck either. I have tried this with both pumps in isolation. Ie, have removed regulator, filter, excess hose and connections. The pumps are the square, solid state style. Cheers, James C. -----Original Message----- From: Jim Adney [mailto:jadney@vwtype3.org] Sent: Wednesday, 5 December 2001 4:42 AM To: type3@vwtype3.org Subject: Re: [T3] Electric fuel pumps On 4 Dec 2001, at 22:35, James C wrote: > I am stumped. I have a new electric fuel pump for my webers on my > fastback. I suspected that I am not getting enough fuel under power, > so I have purchased a Marshell fuel gauge (Mechanical, small on the > fuel line, 0-15psi) I am after 3 PSI limit on my pump. My pump is > susposed to be 5-7 PSI. It is a solid state electric one that I > bought off SCAT 12 months ago. > > Anyway, I get no reading (0-.01psi). Is there any chance that when you install the gauge you're letting the inlet and outlet hoses drain of gas? This may let the pump lose its prime and it might not pump well that way. I'd try letting the pump run thru an open outlet hose until the hose was filled and then install the gauge. Alternatively, you could get a Tee and put the gauge on one branch. Let the pump run until you get good flow and then shut off the open branch of the Tee with your thumb while you read the gauge. - Jim Adney jadney@vwtype3.org Madison, WI 53711-3054 USA ------------------------------------------------------------------- Search old messages on the Web! Visit http://www.vwtype3.org/list/