Download P0420 P0430 Catalyst System Efficiency Below Threshold – How To Diagnose & Fix – DIY video & save it for offline view

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In this video I show how I easily tested if the catalytic converter was working using simple checks. If you have any of these faults codes logged I recommend using these step by step methods to diagnose & fix the fault.
P0420 Trouble Code: Catalyst System Efficiency Below Threshold (Bank 1)
P0430 Trouble Code: Catalyst System Efficiency Below Threshold (Bank 2)

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Disclaimer:

GerardBurke is a qualified motor technician who has completed modules & courses in manual handling and all aspects of workshop safety. These videos are not intended to be used by anyone who is not trained and or qualified to carry them out.

Due to factors beyond the control of GerardBurke, I cannot guarantee against improper use or unauthorized modifications of this information. GerardBurke assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. GerardBurke recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of GerardBurke, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not GerardBurke.

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Gerard Burke

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