Lexus GS300 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your Lexus GS300


Ask a mechanic in our community

Repair Estimates

Never overpay. Check prices with our estimator

Lexus GS300
$270 to $764
Lexus GS300
$309 to $1,089
Lexus GS300
$790 to $4,874
Lexus GS300
$430 to $866
Lexus GS300
$263 to $472

Related Content

The Check Engine Light may illuminate due to an O2 sensor heater fault. Most commonly the affected O2 sensor will need to be replaced to correct this concern.

Clunking noises from the front suspension may be caused by the top front shock mount, which has been redesigned.

The Check Engine Light may illuminate due to an EVAP system fault. These faults are commonly EVAP canister or gas cap related. Our technicians recommend diagnosing the stored fault codes before replacing any components.

See More Problems 10

Repair information

Replaced catalytic converter and smog tech said to perform a driving reset.

My 2006 GS300 developed a "bumping noise" on the underpinning of the vehicle. I checked, and it looks like the exhaust system has loosened and is hitting the body over bumps. Lexus wants about $1000 to repair. Is there no quick fix? Is there a place for a bracket or clamp? Why do y...

See More Questions 346

Due to the remnants of anti-corrosion plating, a fuel leak may develop from where the fuel pressure sensor is attached to the fuel delivery pipe. Any fuel leak always increases the risk of a fire. Dealers will clean and reseal the area of the fuel pressure sensor to correct this concern.


The plastic pad embedded in the floor carpet may interfere with the operation of the accelerator pedal. As a result, it may become stuck in a partially open position. A stuck accelerator can result in unintended vehicle speed, increasing the risk of a crash. Dealers will modify the plastic pad in the floor carpet. No owner notification schedule has be set at this time.

The fuel pressure sensor monitors fuel pressure for optimum engine performance and emission controls. Lexus has found that some of these sensors can loosen from the fuel line, which may cause the sealing gasket to leak fuel. To prevent this from occurring in the future, your Lexus dealer will ensure that these sensors are properly fastened. No schedule of owner notification is available at this time.

See More Recalls 11

I have a 1993 Lexus gs 300 and I now have it for 5yrs with only 149000 miles on it I brought it with 113 miles on it and I never had any problems with it until 2012 when my engine check light came I'm and stayed on and my trac ligh t stays on as well does anybody have a answer for this problem sure could use the help aslo I love my car and I won't give up on it for nothing it the best use car...

I have an 1999 gs300 with 139000 miles, the car is smooth and drive great but, i have a noise inside the dashboard. I already check under the car, the engine, transmission but, i can't hear nothing inside. This noise is driving me crazy and it just sound when i stop the car in traffic light or when i set my car in parkin. What can I do?

Best car I have ever had!

See More Reviews 26