There are 1 owner-reported engine complaints for the 2003 Lexus LSin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
2003 LEXUS LS430 SEIZED ON HIGHWAY WHILE IN MOTION!!! THE CAR HAS A LENGTHY REQUIRED MAINTENANCE UP-KEEP HISTORY WITH ONE LEXUS DEALERSHIP ONLY. I HAVE ALL THE PRINT OUTS SINCE OCT 2002 - 10,329.06 IN MINOR UPKEEP...AND OR OIL CHANGE, ETC REG. MAINTENANCE. I THINK THAT WE WERE CHARGED FOR A COUPLE OF RECALLED ITEMS LIKE A EXT. LIGHT BUT WE WEREN'T TOLD ANYWAY THE CAR HAS TO DATE..3/2/2010 NOT BEEN INVOLVED IN A COLLISION. THE CAR HAS OIL/WATER AND WAS NOT DAMAGED. IT RAN FINE !!!!!!! NO OVER HEAT LIGHT, NO ACCELERATING...NOTHING LIKE THAT IT IS SUCH A SHAME. I AM UP BEAT AND WAS JUST LOOKING FOR PROBABLY SOMETHING SIMPLE LIKE A TPS OR FUSE... BUT HAS BEEN SAID BY LEXUS THAT THEY DON'T KNOW WHAT'S WRONG. I WAS SHOCKED THOUGH BECAUSE LEXUS DOES KNOW IT WILL BE 14 THOUSAND DOLLARS THOUGH TO REPAIR. (A NEW ENGINE) I HAVE PLEADED WITH THE CORPORATE OFFICE AND THEY SAID THAT SINCE THE CAR HAS 130.000 MILES IT IS NOT THEIR RESP. TO HELP ME WITH A SOLUTION. MY FAMILY HAS PURCHASED 4 VEHICLES FROM LEXUS. WE HAVE NOT HAD PROBLEMS. WHY NOW ARE THEY TURNING THEIR BACKS??? PLEASE HELP ME I AM RENTING A VEHICLE AT A RATE OF $30 A DAY FROM ENTERPRISE AND A SINGLE MOTHER OF TWO TEENAGERS. TUITION IS DUE AND THIS HAS LEFT ME STRUGGLING WITH WHAT TO DO?? THE CAR IS PAID FOR I AM ASKING FOR SOME ASSISTANCE AND ALSO TO PLEASE INVESTIGATE THE POSSIBILITY THAT THIS MODEL ALSO INHERITED THE PROBLEMS OF THE 2002 ENGINES SEIZING ISSUE BUT AT ANY RATE I AM OPEN TO ANY AND ALL ASSISTANCE AND ADVICE. *TR
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