rmk9785e Posted March 18, 2011 Share Posted March 18, 2011 The Check Engine Light is on for my 2007 IS-250 with 73,000 miles. The dealership says "bank 2 sensor 1, air fuel ratio sensor has an open circuit which is causing the computer to run it rich". Are the sensors are mostly the same between various models of Toyota and Lexus? I posted this on IS250 forum but haven't had any response so I thought I would try the general forum. My aplogies for cross posting. Quote Link to comment Share on other sites More sharing options...
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