1999 Lexus GS300 Engine cooling Problems
- Complaints
- 3about this part
- Share
- 8%of 38 total for the year
- Median mileage
- 66,567miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine cooling of the 1999 Lexus GS300, 8% of the 38 complaints for this model year. Where a mileage was given, the median is 66,567 miles. 1 of these say a crash was involved, according to the filers.
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.
“When I placed my car in cruise control, the engine sped up from 60 MPH to 90 MPH. The engine alternated between 60 MPH and 90 MPH for a few seconds, finally the engine died---which luckily stopped the car.”
NHTSA complaint #10313281, filed 2010-02, 130,000 miles“Sudden unexpected acceleration resulted in collision. Driver applied brakes with maximum force but was unable to stop vehicle. Driver did not have foot on gas pedal. Floor mat was not interfering with gas pedal.”
NHTSA complaint #10317084, filed 2010-03, 58,230 milesEngine cooling: other model years
Other parts of the 1999 Lexus GS300
12 complaintsBrakes
10 complaintsSuspension
7 complaintsElectrical system
6 complaintsFuel system
3 complaintsSteering
3 complaintsTransmission and drivetrain
3 complaintsOther or unknown
2 complaintsAir bags
1 complaintsElectronic stability control
1 complaintsEngine
1 complaintsSeat belts
1 complaints
← All problems reported for the 1999 Lexus GS300
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