Here is a video on how you can diagnose clogging or efficiency below threshold (P0420) issues with your catalytic converter. Infrared Thermometer (cheaper Here on Amazon): http://amzn.to/2aWvXWg
If you find this video helpful you may like these other videos as well:
How to diagnose and fix no heat issues: http://youtu.be/eai_tFzltLc
How to test an alternator: http://youtu.be/5DdCNzge_s0
How to Test a Car Battery: http://youtu.be/Km6MNRYeEEY
How to Find a Parasitic Draw: http://youtu.be/eXX8TfzRAKk
How to Replace an Alternator: http://youtu.be/VaquYn944aU
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Disclaimer:
Due to factors beyond the control of Ratchetsand Wrenches, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. Ratchetsand Wrenches assumes no liability for any property or personal damage that may arise from doing a repair on your vehicle after watching any of my repair video's. Due to factors beyond the control of Ratchetsand Wrenches, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Again Any injury, damage or loss that may result from improper use of tools, equipment, or the information contained in this video is the sole responsibility of the user and not Ratchetsand Wrenches.
