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1998 Lexus ES300 Question: check engine light is on,diagnosis is cat converter. do i need to replace spark



madison46, 3.0L V6, New York, NY, November 08, 2012, 17:44

recently had oxygen sensor replaced.engine runs smooth .cat converters is expensive. will that solve problem of check engine light?

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    Greg's Orange Auto (15216 Answers) , Orange, CA - (714) 361-9386
    globalhelper November 08, 2012, 18:40

    poss but just because the code says catt is bad doesn't mean repl catt it means there is not enough diff in data from frt o2 to rear o2 but that could be a fuel trim issue. poss injectior,fuel regulator ,or other fuel issues

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  • Answer #2

    November 08, 2012, 20:26

    it may, or may not

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