Two problems related to check engine light on have been reported for the 2002 Lexus ES300. The most recently reported issues are listed below.
Check engine light came on and car acceleration was limited. Error codes p2121 and p2128 indicated faulty "throttle position sensor" the part retails for around $100. Lexus insisted that I had to replace the complete accelerator pedal assembly with a new throttle position sensor. Lexus charged me $764 to replace both assemblies. I believe Lexus should have covered the cost of all of the cost of replacing the accelerator pedal assembly. My vehicle is a 2002 Lexus Es300.
Upon acceleration in stop-and-go traffic, severe hesitation with brake-like effect, engine reviving, with driver thrown forward, then lurching into gear. Said was fixed with installation of tsib tc004-3. Narrowly being missed by oncoming traffic when car basically stalled. Tsib not a fix. Now engine light on. Dangerous in stop-and-go traffic.
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