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Just remember, OBDII codes are a diagnostic tool. They show an area of concern. IF you have repaired the problem by part replacement then GREAT, BUT, many times something else is wrong that has triggered codes. For instance (as a general note) Cat converter plugged may trip O2 before and after codes. Air pump on engine may just be that little blue valve below the pump. Many times ppl have replaced parts only to find after resetting the light the OBDII code comes back. FYI only, use as you wish!


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