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After overfilling my fuel tank I noticed that the fuel gauge on my 06 Murano only showed about 7/8's of a tank rather than "full". The "Distance to Empty" (DTE) was also showing less than it should have. After driving around for a bit, where presumably the tank physically had less than 7/8's fuel, the fuel gauge and DTE seemed to work OK again. I've done a bit of research and it looks like there is a problem with the fuel level sender in the tank. My questions are: 1) Why would overfilling the tank cause the fuel level senssor to fail? I find the shut-off at gas stations is often too sensitive, hence I kept filling after the first couple of clicks, oops. 2) Can the sensor be repaired or must it be replaced? I'm on a bit of a budget... 3) There are TWO level sensors in the tank, is there a way to isolate and identify the bad sender? They are too expensive to simply replace both! I'm a fairly competent DIY'er so plan on tackling this job myself. TIA for the replies!