There are 2 stored owner reports matching the fuel system leading-label group for the 2012 Lexus IS in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)VEHICLE IN MOTION GOING 80MPH ON HIGHWAY WHEN SUDDENLY JOLTED AND VEHICLE DID NOT RESPOND TO ACCELERATOR AND CHECK ENGINE/BATTERY LIGHTS ALL CAME ON AND SLOWED TO A STOP. RESTARTING ENGINE DID NOT WORK AS IT SPUTTERED AND WENT BACK TO IDLE IMMEDIATELY. FUEL TANK WAS 1/4 FULL, NOT DUE FOR OIL CHANGE FOR ANOTHER 4000 MILES, TIRE PRESSURE WAS FIXED A DAY PRIOR TO INCIDENT, AND NO OTHER PROBLEMS WITH THE VEHICLE. CAR TOWED TO TOYOTA DEALERSHIP WHERE THEY TESTED AND SAID FUEL PUMP MALFUNCTION. TOYOTA AND LEXUS ALREADY HAVE 2 MILLION CARS WITH FUEL PUMP RECALL, HOWEVER MY SPECIFIC MODEL IS NOT INCLUDED YET.
TL* THE CONTACT OWNS A 2012 LEXUS IS250. CONTACT STATED THAT WHILE DRIVING AT 70 MPH, SEVERAL UNKNOWN WARNING LIGHTS ILLUMINATED AND THE VEHICLE LOSS MOTIVE POWER. THE CONTACT WAS UNABLE TO RESTART THE VEHICLE. THE HIGHWAY PATROL PROVIDED FUEL AND THE VEHICLE RESTARTED AND OPERATED AS INTENDED. A DEALER WAS NOT CONTACTED. THE VEHICLE EXPERIENCED THE FAILURE INTERMITTENTLY. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO INSPECTED THE VEHICLE HOWEVER, A DIAGNOSTIC TEST WAS NOT PERFORMED. THE CONTACT WAS INFORMED THAT A TUNE UP NEEDED TO BE DONE ON THE VEHICLE. THE VEHICLE WAS SERVICED HOWEVER, THE FAILURE RECURRED WHENEVER THE FUEL GAUGE REGISTERED BELOW 1/2 TANK OF FUEL. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 140,000.
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.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.