Thank you sdibbers, that makes perfect sense that I have a blockage somewhere as when I demanded maximum fuel it could not deliver. I have just filled up so I won’t be doing anything just yet. Thanks for your input.Well, you could just leave it in the reserve position. But my guess is the higher fuel pickup pipe in the tank is blocked. best option would be to drain the tank, disconnect the fuel lines under the tank and blow through them with an airline or wire. If you find a lot of dirt in the fuel being drained you might want to clean it and fit a fuel filter.
Always happens with a full tank! Haha.Thank you sdibbers, that makes perfect sense that I have a blockage somewhere as when I demanded maximum fuel it could not deliver. I have just filled up so I won’t be doing anything just yet. Thanks for your input.