I have an 02 Nissan altima. My service engine soon light has been on for a while and now it's flashing on and off. Im told the 02 sensor means I need to repair my catalytic converter. Is that true?
Or could it be something else. Because I feel I'm
about to be taken. Plz help me. Any advice will be
Usually,o2 sensor code means replace the o2 sensor,not the catilac converter,
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