Don't know if this relates since the gauge read right before it went to zero, but Al De Costa, a fellow BAC member with no computer ask me to share his experience. With all of the disasters in California (fires, floods, heat) the rodent population in his area went wild. Some entered his coach and, among other things, chewed the wires on top of the fuel tank and something going to the atmospheric air hose and this affected his gauge readings. Needless to say, he had quite a bill to get everything working again.