Question about 2003 Lexus ES 300

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I have a 2001 Lexus ES300 that has been fixed way too many times. The lights Check Engine and Trac Off are now on and I am out of patience. It has approx. 110000 miles and runs otherwise great. Can't pass inspection and have no Lexus dealer within 50 miles of me. My mechanics can't seem to figure out how to keep the lights off. Any suggestions?

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Hi. If you find an answer to your problem with the trac off/engine light comming on way too often, please tell me so I can get my wifes 2001 es300 fixed. The dealer claims to have replaced the computer and numerous sensors on it's many trips back to the car lot. Once, it was kept for two months with the same problem comming back after 72 hours of regular use. I found, if you disconnect the battery for app. 20 seconds, then rehook it the lights on the dash go off for about 3 days. Help!!!

Posted on Jan 26, 2011

  • wwetherel408 Feb 03, 2011

    My problem turned out to be the knock sensor located way under the manifolds. A lousy $200 part took 4 hours to replace. Apparently, these sensors light up and can "hide" behind other problems and show up only after replacing everything else. Your problem could be water. Evidently, when I get water under the carriage, sensors light up like christmas. This car hates condensation or puddles. But, I replaced that light in November and have had no lights on since that time. I'm keeping my fingers crossed.....

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