How to diagnose and repair a PO420 on a Nissan Altima

Here are some of the tools that jimthecarguy uses https://www.amazon.com/shop/jimthecarguy How to repair a PO420 on a 2006 Nissan Altima with a 2.5 liter engine.You may not have to replace the catalytic converter with this easy repair. Due to factors beyond the control of jimthecarguy, it cannot guarantee against unauthorized modifications of this information,. jimthecarguy assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. jimthecarguy recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, chemicals, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of jimthecarguy, no information contained in this video shall create any express 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 the information contained in this video is the sole responsibility of the user and not jimthecarguy.