2003 Lexus ES300 Q&A
2003 Lexus ES300 Question: Engine Light due to oxygen
I took my Lexus ES 300 (100,000 miles) into the dealership as the engine light appeared on the dash. Was told that I needed a new sensor and that the car wouldn't pass inspection if not replaced. What is the cost of replacing the sensor including labor? Is it true that the car wouldn't pass emission inspection if not replaced? If not replaced, would there be damage to the car? - Carol Mitchell
if your problem is an o2 sensor can and will affect fuel mileage and no vehicles in nj will pass state insp if your check engine light is on - 25yrtech
The Check Engine Light may illuminate because a component of the oxygen sensor stops working. As a result the engine computer is unable to determine the proper ratio of air to fuel for the engine...