anyone experienced their O2 sensor malfunction causing the check engine light on? if so, did u have to use original factory O2 sensor or just any universal sensor from any auto store? thanks

 

Yes, check engine light comes on when 02 is out.

shop should reset light when work is complete

 

Your dealer is correct, your engine computer likes the Denso (Toyota) brand...not much luck with the Bosch universal. Previous posts have experenced problems. Search on Denso O2

You might find this helpful... https://www.clublexus.com/forums/sho...ighlight=denso