2004 Lexus LS Engine Problems
- Complaints
- 2about this part
- Share
- 25%of 8 total for the year
- Median mileage
- 44,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine of the 2004 Lexus LS, 25% of the 8 complaints for this model year. Where a mileage was given, the median is 44,000 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.
“2004 Lexus ls430 vehicle stalled and would not restart immediately on the road presenting dangerous condition. Engine would crank but not restart. Vehicle would restart the next day. This happened twice before pump failed completely. Research indicates this problem identical to that identified in NHTSA campaign id o4v295000.build dates 2003-07-29 until 2004-01-23. Lexus campaign 4lb 2004 LS 430. …”
NHTSA complaint #11404435, filed 2021-03, 44,000 milesRelated service bulletins
- 10179601Aug 5, 2020TSB: Vehicles may display evidence of a fluid leak or fluid seep from powertrain components. This bulletin explains how to determine the differences between a fluid leak versus a…
Engine: other model years
Other parts of the 2004 Lexus LS
2 complaintsFuel system
2 complaintsExterior lighting
1 complaintsTires
1 complaintsTransmission and drivetrain
1 complaintsVehicle speed control
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2004 Lexus LS
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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