recently had oxygen sensor replaced.engine runs smooth .cat converters is expensive. will that solve problem of check engine light?
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1998 Lexus ES300 Question: check engine light is on,diagnosis is cat converter. do i need to replace spark
Greg's Orange Auto (11856 Answers) , Orange, CA - (714) 361-9386globalhelper November 08, 2012, 15:40Master
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
Answer #2your.mechanic November 08, 2012, 17:26Master
it may, or may not