There are 3 owner-reported fuel system complaints for the 2003 Lincoln LSin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2003 LINCOLN LS. WHILE THE VEHICLE WAS PARKED, THERE WAS A STRONG FUEL ODOR COMING FROM THE REAR PASSENGER SIDE OF THE VEHICLE. IN ADDITION, THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE VEHICLE WAS TAKEN TO TWO INDEPENDENT MECHANICS WHO CONFIRMED THE FUEL ODOR ALONG THE REAR PASSENGER SIDE WHEEL. THE CONTACT WAS INFORMED THAT A LOT OF PARTS WOULD NEED TO BE REMOVED IN ORDER TO DIAGNOSE THE FAILURE. THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 05V113000 (FUEL SYSTEM). THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 68,000.
SPARK KNOCK UNDER LOAD (PASSING OR FROM 0) OCCURS WITH LOW RPM AND HIGH RPM UNDER LOADS CURRENTLY TOLD TO WAIT UNTIL LINCOLN FINDS A FIX SINCE THEY HAVE NEVER HEARD OR DEALT WITH THIS PROBLEM BEFORE. TRANSMISSION HAS HAD REPAIRS DONE ALSO. SHIFTING HAS GOTTEN BETTER SINCE REPROGRAMMING OF COMPUTOR. SINCE THIS IS A UNIQUE PROBLEM TO THIS VEHICLE COMPLAINTS ARE NOT TAKEN TOO SERIOUSLY BY LINCOLN OF CANADA.
CONSUMER STATES WHILE TRAVELING WITHOUT ANY INDICATION AN ROCK CRACK FUEL TANK IN RESULT OF LEAKING GAS. DEALER WAS CONTACTED AND STATED THAT FUEL TANK IS MADE OUT OF FIBER GLASS. PLEASE PROVIDE FURTHER INFORMATION. TS
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