» » »

Lexus Q&A

Ask Your Question

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

 

Question

madison46, 3.0L V6, New York, NY, November 08, 2012, 14:44
 Rookie

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

2 Answers
Flag This
  • Medium-star Best Answer
    Greg's Orange Auto (13428 Answers) , Orange, CA - (714) 361-9386
    globalhelper November 08, 2012, 15:40
     Master

    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

    Reply
    Flag This
  • Answer #2

    your.mechanic November 08, 2012, 17:26
    Profile_thumbnail
     Master

    it may, or may not

    Reply
    Flag This