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0:34
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1.6M views · 8.9K reactions | How To Fix Code P0420 Catalyst Converter Bypass Oxygen Sensor #bypass #oxygen #sensor #p0420 #catalyticconverter | Abdullah auto
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[nonda Auto DIY Center] P0420 is the most common engine error code, it stands for catalyst system efficiency below threshold. Check out this self-repair video tutorial created by nonda's expert mechanics. Fix it yourself and save $$$ on your repair fees. Don't forget to claim your FREE ZUS Smart Vehicle Health Monitor here https://bit.ly/FreeZUS-ADC and get an in-depth diagnosis of your vehicle condition. | nonda
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