1998 Lexus GS300 Engine cooling Problems
- Complaints
- 3about this part
- Share
- 5%of 60 total for the year
- Median mileage
- 168,200miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine cooling of the 1998 Lexus GS300, 5% of the 60 complaints for this model year. Where a mileage was given, the median is 168,200 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.
“The vsc and the vsc off lights both turn on at the same time, and the engine suddenly come to idle and the car slowly come to stop right in the middle of the freeway when I am driving at 65 MPH on the freeway.”
NHTSA complaint #10183461, filed 2007-02, 146,400 miles“The contact owns a 1998 Lexus GS300. The contact stated that when driving between 30-40 MPH, the vehicle would begin to loose power and stall sporadically with the illumination of the check engine warning light. The manufacturer was not contacted. The dealer was notified of the failure, but the vehicle was not repaired. The failure mileage was 190,000 and the current mileage is 192,380. Updated 02/09/12 the dealer found the throttle position sensor was out of specification and there was an open circuit. Updated 02/27/12”
NHTSA complaint #10442688, filed 2012-01, 190,000 miles“Rod bearing knock first heard at 3300 miles, dealer refused to repair stateing that problem can not be duplicated. I have recording of the noise and affidavits.”
NHTSA complaint #713330, filed 1999-10Engine cooling: other model years
Other parts of the 1998 Lexus GS300
25 complaintsSuspension
10 complaintsBrakes
7 complaintsTires
5 complaintsElectrical system
4 complaintsElectronic stability control
4 complaintsBody and structure
4 complaintsExterior lighting
3 complaintsAir bags
2 complaintsSteering
2 complaintsTransmission and drivetrain
2 complaintsEngine
1 complaints
← All problems reported for the 1998 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