rmk9785e Posted March 15, 2011 Share Posted March 15, 2011 The Check Engine Light is on for my 2007 IS-250 with 73,000 miles. The dealership says "the bank 2 sensor 1 air fuel ratio sensor has an open circuit which is causing the computer to run it rich". I have been helped before by the many experienced and knowledgeable people on these forums and hope I will again receive the needed guidance. I need the OEM part number for this sensor and any pictures showing its location so I can replace it or have it replaced at a reasonably priced shop in the San Francisco Bay area. Thank you in advance. Quote Link to comment Share on other sites More sharing options...
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