MARSHALL WISE

check engine light

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I recently purchased a 98 ls400 with 65,000 miles.  After about a week the check engine light came on. I took it to JM Lexus and they told me I needed to rebuild my transmission and replace the ECM,costing $4,000 +.  A week later, the check engine light disappears.  Shifts smooth as silk-problem solved!  Then the light reappears a week later and the shifting is a bit rougher.  I took it to an independent transmission shop and said to ignore the check engine light because the light comes on and off for no apparent reason.

Has anyone else have the same issues? If so, what do u recommend.

Edited by MARSHALL WISE
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What was the code of the engine light? Rebuilding transmission at 65,000 miles is none sense.

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If it's the speed sensor that's a known issue that Lexus put a TSB out for years ago. I was able to get a new ECU for free in 2014.

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