P0420 P0430 Quick Fix: Nissan Xterra
This 2005 Nissan Xterra runs great, except for that pesky Check Engine light is on! In this case we have a classic P0430 - "Catalyst Efficiency Below Threshold" trouble code. Instead of loading up the expensive part cannon and replacing the converter, we use a little trick to make the engine computer happy about the efficiency of the catalytic converter. DISCLAIMER: The technique shown in this video is for off-road use only ;) Enjoy! Ivan

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