1991 Lexus LS400 Engine cooling Problems
- Complaints
- 2about this part
- Share
- 10%of 21 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine cooling of the 1991 Lexus LS400, 10% of the 21 complaints for this model year.
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.
“While idiling in neutral, driver placed the gear into drive while his foot was on the brake and the vehicle surge forward and the engine accelerated to maximum throttle despite holding the brake pedal down as far as it could go. Vehicle struck a parked vehicle.”
NHTSA complaint #540456, filed 1998-09Engine cooling: other model years
Other parts of the 1991 Lexus LS400
5 complaintsAir bags
3 complaintsOther or unknown
3 complaintsSteering
2 complaintsTires
2 complaintsVehicle speed control
2 complaintsWheels
2 complaintsElectrical system
1 complaintsFuel system
1 complaintsSeat belts
1 complaintsBody and structure
1 complaints
← All problems reported for the 1991 Lexus LS400
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