Reply to "Gas from left to right"

Wellis,
I had always assumed there was a return line or some sort of crossover between the fuel pumps that routed surplus fuel back to one side. I have often seen a full tank drop and the empty one come up a bit. On occasion with both full one would become overfull and the other drop rapidly. Don't know if that helps your analysis. I do know that the fuel filter (only one shared between the 2 pumps and tanks) was badly blocked so I'm not sure if it has improved since I recently replaced it. It was not easy to access being in between the 2 fuel pumps.
For those unfamiliar the Longchamp has 2 independent fuel tanks, each with a dedicated electric pump, and a switch on the dash from L to R which also changes over the gauge.
Peter

9/4/0911:28 AM

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