Lexus es300 has a high idle speed.

Does the subject want to ask "What is the reason for the high idle speed of lexus es300?" .

1. air flowmeter fault: air flowmeter is an important sensor to control the fuel injection quantity of engine. Faults can cause errors in the engine control system, resulting in excessive or low idle speed.

2. The air filter is blocked: If the air filter is not replaced or cleaned for a long time, it will lead to poor air intake, resulting in high or low idle speed.

3. Electronic throttle failure: Electronic throttle is an important part to control the intake of engine. Failure will cause the engine control system to be unable to adjust the airflow correctly, resulting in too high or too low idle speed.