kevin4747
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Status Updates posted by kevin4747
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Wish I could help, but my knowledge is limited to just owning a few Lexuses over the years, and there are numerous problems that can lead to poor mileage. A mechanic's diagnosis should identify the issue, unless, like you suspect, the ECU/ECM has gone bad and is not giving the correct messages. Good luck, and keep posting fresh messages with more info to try and get some advice from people ...