2003 Lexus ES300 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2003 Lexus ES300
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2003 Lexus ES300 ProblemsCheck Engine Light Due to Failed Oxygen Sensor
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. Replacing the failed oxygen sensor should correct this concern.
On higher mileage vehicles, an engine misfire may develop and/or the Check Engine Light may illuminate due to a failed ignition coil. It is not uncommon to replace all the coils when the first one fails in order to prevent return trips to the repair shop.
2003 Lexus ES300 QuestionsWhite smoke comes out when I turn the car on and then goes away (1 answer)
White smoke always comes out the tail pipe every time the car sits for a few hrs or over night evertime I turn it on, it's always a quick good smoke and then disappears but the car runs well. ..should I worry?