Nissan Xterra faulty fuel sensor causing gauge to drop significantly after filling up on Nissan Xterra

Some Nissan Xterra owners report experiencing issues with their fuel gauge, such as failing to reach full after refueling and inaccurately dropping while driving. This problem is often linked to a malfunctioning fuel level sensor, which may not float correctly with the fuel level, resulting in improper readings. Many owners have noted that the fuel gauge can drop significantly after filling up, indicating an incorrect fuel level, and this issue can also trigger the check engine light with code P0463. Additionally, the delicate electrical arms in the fuel sending unit can warp or break, contributing to these problems. It is crucial for owners to address these issues promptly to ensure accurate fuel level readings and avoid potential complications with fuel management in their Nissan Xterra.