Fuel gauge not reading correctly Start by checking your fuse box—if the fuel gauge fuse is blown, replacing it might solve the problem. . Feb 26, 2025 · If your fuel gauge isn’t moving at all, the issue is likely a blown fuse, bad wiring, or a faulty sending unit. Nov 4, 2024 · If you can’t ever get your fuel gauge to read full, the most likely problem is either a faulty fuel gauge or a frayed electrical connection. The following will walk you through where to start in diagnosing your fuel gauge issues, as problems could be in multiple places. 5 days ago · Causes of a Fuel Gauge Not Working Correctly. Most fuel gauges read full when they’re getting maximum power, so if they don’t have any power, then they’ll always read empty. From the sending unit in your tank to the gauge on your dash, a problem with any part can cause incorrect readings. Find out the common reasons, such as bad sending unit, circuit issues, fuse, gauge, or instrument cluster. Your fuel gauge needs several components working together to display accurate readings. Feb 14, 2023 · Learn why your fuel gauge might not read correctly and how to diagnose and fix the problem. Find out how the fuel-sending unit works and how to test its voltage. Here are the most common causes, starting with those you’re most likely to encounter: In the event that the fuel gauge constantly reads empty, full, or some random nonsensical reading, then there is an issue with the fuel gauge, the sender, or the wiring in between. Oct 14, 2009 · Learn how to diagnose and fix a non-working or inaccurate fuel gauge caused by a bad fuel-sending unit or a wiring harness issue. jnyfvgpandscdqbaxbilmcopqgjxcmdukkrewsaeipcinhc