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Oxygen Sensor


MarksRX

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You are in the wrong forum. However I do think it is a premature failure. For my 91 LS400, had to change the O2 sensor at 120k. The first change occured at 60K. It almost looked like it was programmed for CEL to come on at 60K intervals.

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Hello:

Indeed it is a very premature failure, in my opinion that should be covered as emissions systems when it happens so early. It may also be the indication of upcoming problems, fix it and get rid of the SUV. That is what I would do even if you change it for another RX330. Remember those tend have to have tranny problems after 90,000, they fixed it in 2004 so it may be a good time for a trade in and save 6000.00 in the future. Remember to change tranny fluid every 15,000 miles and if you are going to keep it put a tranny cooler on it with a fan if possible.

CPR

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