Do Oxygen Sensor Extenders Really Work? (Andy’s Garage: Episode - 453)

In this video Andy Phillips explains the use of oxygen sensor extenders and puts them to the test on a vehicle that failed the emissions test. Do these O2 extenders really work?? Below are links to other videos of mine pertaining to this video: How To Install A Universal O2 Sensor:    • How To Install A Universal Oxygen Sensor (...   Does Cleaning Oxygen (O2) Sensors Really Work?:    • Does Cleaning Oxygen (O2) Sensors Really W...   All About Oxygen (O2) Sensors:    • All About O2 (Oxygen) Sensors (Andy’s Gara...   How To Replace Oxygen Sensors:    • How To Replace Oxygen Sensors (Andy’s Gara...   How To Replace O2 Sensors With P1153 Code:    • How To Replace Oxygen (O2) Sensor - P1153 ...   Rislone Fuel, Exhaust & Emissions Cleaner - Product Review:    • Rislone Fuel, Exhaust & Emissions System C...   CATACLEAN Exhaust & Fuel System Cleaner - Product Review:    • CATACLEAN Exhaust & Fuel System Cleaner - ...   Dura Lube - Product Review:    • Dura Lube Severe Catalytic & Exhaust Treat...   How To Clean A Catalytic Converter:    • How To Clean A Catalytic Converter (Andy’s...   How To Clean A Catalytic Converter - Follow Up:    • How To Clean A Catalytic Converter - FOLLO...   Guaranteed To Pass - Product Review:    • CRC Guaranteed To Pass Emissions System Cl...   Checking A Catalytic Converter:    • Checking A Catalytic Converter (Andy’s Gar...   What Is A Catalytic Converter & What Does It Do?:    • What Is A Catalytic Converter & What Does ...   How To Check Fault Codes For A Fraction Of The Price:    • How To Check Engine Fault Codes For A Frac...   OBD2 Scanner Product Review:    • OBD2 Bluetooth Scanner - Product Review (A...   How To Clear Engine Codes:    • How To Clear Engine Fault Codes (Andy’s Ga...   Difference Between "Pending" and "Confirmed" Fault Codes:    • The Difference Between Pending & Confirmed...   DISCLAIMER: The individual featured on the Phillips Vision YouTube Channel identified as Andrew Phillips, also known as Andy Phillips is not a professional mechanic, contractor or certified repairman. He does not have any formal training in the automotive field, or any other trade. He is strictly a Do It Yourself handyman. Phillips Vision, or the individuals featured on this channel, assume no liability for anything you choose to do to your vehicles, appliances, games or any other items featured in the videos before, or after watching one of the videos or utilizing the content from this channel. All Do it Yourself (DIY) repairs or modifications you perform are at your own risk. Proper safety precautions are always needed, and are the responsibility of the viewer to follow. In some cases, even if you perform everything properly, you can destroy or damage one or more things you are working on resulting is costly repairs. In addition, if for some reason, the instructions on this channel are incorrect, resulting it something becoming damaged, Phillips Vision and those featured on this channel WILL NOT reimburse or pay in any way the costs that may be incurred due to following wrong instructions. PLEASE DO NOT PERFORM ANYTHING SHOWN ON THIS CHANNEL (PHILLIPS VISION) UNLESS YOU FEEL COMFORTABLE AND CONFIDENT TO DO SO.