jqzhang Posted August 13, 2007 Share Posted August 13, 2007 Hi, Hope all is well. A friend of mine has a 2001 RX300. Now 'Check Engine' light is on. He took the car to a Lexus dealer and He was told A/F sensor(s) might be the problem but they did not know if both had problem or one of them. I thought the OBD II would tell them which one had the problem. It's costly if they change both (about a grand). I checked the web and each one generally costs about $200. I may help him change the sensor. But I don't have the manual for this model of Lexus. I guess it should locate before the converters and a 22mm box wrench should do the work. Please correct me if I am wrong. Thanks in advance. John Z. Quote Link to comment Share on other sites More sharing options...
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