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RX330 - engine light / code: p0420

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Old 05-25-17, 12:57 PM
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ttcamp905
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Default RX330 - engine light / code: p0420
need to know solution for this code
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Old 05-25-17, 01:11 PM
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NVAKeith
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Here's a thread describing someone else's journey with this code. In the end it was an O2 sensor.

https://www.clublexus.com/forums/rx-...-trac-off.html
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