There are 2 owner-reported fuel system complaints for the 2014 Lexus ISin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Fuel pump not reading correct amount of fuel in tank. In order to get correct fuel reading have to disconnect battery for 3 hours and reconnect battery in so I can get an accurate reading.
Several time since owning my 2014 LexusIS350 with 141,000 miles on it, it have given inaccurate fuel reading. By almost 100 miles short. Had to disconnect the battery for the ECU to clear so a more accurate reading on fuel can be displayed.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026