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2003 Kia Sedona Question: Not sure if I need a new Cat converter or is it just an O2 sensor?

 

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patti2, 3.5L V6, Danbury, CT, February 12, 2013, 05:58
 Rookie

Engine light started to go on after I hosed off the engine. Light blinks on and off. Not having any signs of a bad converter as discribed on the web. Dealer wants to jump right in and change converter, shouldnt we troubleshoot with new sensors first. Autozone ck'd w/ diagnostic, most likely Faulty HO2S, rich air/fuel ratio, lastly was faulty converter

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  • Answer #1

    Greg's Orange Auto (13671 Answers) , Orange, CA - (714) 361-9386
    globalhelper February 12, 2013, 06:29
     Master

    have live data read and watch 02 wave forms to determine if o2 is good b4 repl any parts. if unable seek help from mech as not to waste money

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