2003 Lincoln LS Fuel system Problems
- Complaints
- 5about this part
- Share
- 7%of 68 total for the year
- Median mileage
- 74,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the fuel system of the 2003 Lincoln LS, 7% of the 68 complaints for this model year. Where a mileage was given, the median is 74,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Took transmission for repair. Transmission shop could not load new Lincoln software on new computer module. It has been two weeks at rowlett transmission shop and now the engine side of the new computer installed will not clear. Says there in an engine issue now. There was no engine issue before I took it to get the transmission fixed.”
NHTSA complaint #10875443, filed 2016-06, 80,000 miles“I purchased my 2003 Lincoln LS june/2015. Excellent condition, 35,000 miles. Interior immaculate condition leather seats and carpet virutally untouched. Underneath hood the same, hadn't look as if been driven. Exterior body and paint again excellent. The car appeared as if it had stood still in time. Upon investigation, only one owner of the vehicle who'd maintained a first class maintenance record. Over the last week the vehicle my wife was driving she said while driving the vechicle began to stall while she was accelerating in traffic. …”
NHTSA complaint #10816186, filed 2015-12“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. …”
NHTSA complaint #10995089, filed 2017-06, 68,000 miles“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.”
NHTSA complaint #10071386, filed 2004-01“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”
NHTSA complaint #10001835, filed 2003-01Fuel system: other model years
Other parts of the 2003 Lincoln LS
20 complaintsElectrical system
11 complaintsBrakes
8 complaintsEngine cooling
8 complaintsEngine
7 complaintsSuspension
7 complaintsVehicle speed control
7 complaintsAir bags
6 complaintsSeats
6 complaintsSteering
6 complaintsWheels
6 complaintsEquipment
3 complaints
← All problems reported for the 2003 Lincoln LS
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology