2000 Lexus ES300 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2000 Lexus ES300

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2000 Lexus ES300 Problems

Check 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.

Low Engine RPM or Stalling on Cold Start

The 1993-2003 Lexus ES300 may start and stall, or start and run at very low engine speeds when the engine is cold. 

The issue is a failed or dirty idle air control valve. This valve is mounted under the throttle body, and modulates airflow to the engine under certain conditions. When the valve becomes dirty, or when the valve fails, proper airflow to the engine is not achieved. This results in start and stall, and low RPM.  

To correct the issues, the idle air control valve will need to be tested, and cleaned or replaced. 

To help decrease the frequency of this issue, change the air filter no less than once per year. 

Rough Idle and Backfiring Engine with Check Engine Light

The Lexus ES300 has a known issue with the valves that if left unchecked, will cause burned valves and engine performance issues. 

The engine ‘breathes’ through valves that are pushed open by the camshaft, and closed by springs. When valves are closed, they seal against a valve seat. In this vehicle, the valve seat is too soft, so after the valve contacts it thousands of times, it becomes crushed. Once it is crushed, the valve can no longer make a proper seal, and the valves erode due to extreme temperature (burnt valve).

Symptoms related to this issue:

To repair the burnt valves, the cylinder head must be removed and rebuilt, which is a costly internal engine repair, however, this issue can be prevented through inspection and adjustment of valve clearances every 40,000 miles.

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2000 Lexus ES300 Questions

How can I replace the passenger side CV axle. Seems to be seize.. (1 answer)

Passenger side won't come out. Is it seized in the carrier bearing? If so, then how do I remove the axle...

What does a 270,000 mile service involve on my 2000 Lexus ES300. (1 answer)

The manual stops at 150K. The car runs well but the dealer tells me I need this service....where do I find what it entails. Thanx

What is causing my alternator to go bad after 2-3 hrs of replacing and battery drains when car off? (1 answer)

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2000 Lexus ES300 Reviews

Rated
based on 4 customer reviews
I bought this care "new" as a dealer demonstrator towards the end of the 2001 year. Got a great deal and continue to be very pleased with the car after 11 years of ownership. At 50K (end of the full warranty) did a full inspection to be sure to fix everything that needed to be fixed; long story short, skipped the visit...nothing had been needed up to that point. As of now, nothing beyond sta...
The 2000 ES 300 handles and runs quite well, almost like a 3-series BMW. The most common faults are the rubber boots being prone to rapture even when new, and the front area has some loud humming coming during high speed driving on tarmac roads. Rubber boot manufacturers should invent rubber boots that can be replaced without having to dislodge an entire drive shaft assembly or ball joint.
I have a 2000 Lexus ES300. My dad handed it down to me as a graduation gift and i've had this car for 3 yrs now and boy this thing runs AMAZING and has never been in the shop except regular maintaince like timing belt, etc. It currently has 108k on it and still has a lot of life in it! Lexus 4LIFE!

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