41/0 is an impossible combination.

Didn't you say you have been driving with the right hovering around 1.5?

Once the right gets to zero the left will be about 27L. The symptoms are your left sender is sending the wrong value. (too high). That is what happened to me when I ran out of gas with 3/8 of a tank on the gauge.

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2011 E70 • N55 (me)
2012 E70 • N63 (wife)