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New O2 Oxygen Sensor from 1AAuto.com http://1aau.to/ib/1AEOS02073

This video shows you how to install a new bank 1 sensor 2 o2 oxygen sensor from TRQ on your 2004-2009 Audi A4 Quattro (2.0l L4). The Oxygen (O2) sensors help monitor the emissions system in your vehicle. They measure the amount of oxygen passing through the exhaust, which informs the computer about proper fuel/air mixture, and the condition of the catalytic converter. Over time, the sensors may fail due to contamination, or reaching the end of their service life. TRQ offers new O2 sensors made to manufacturer’s specifications.

Estimated installation time for a professional technician is approximately: 1 hour 0 minutes

This repair was done on a 2007 Audi A4 Quattro Base 2.0L Sedan 4-Door AWD Automatic and the process should be similar on the following vehicles:
2004 Audi A4 Quattro
2005 Audi A4 Quattro
2006 Audi A4 Quattro
2007 Audi A4 Quattro
2008 Audi A4 Quattro
2009 Audi A4 Quattro

Tools you will need:
• Deep 22mm O2 Sensor Socket
• Needle nose pliers http://1aau.to/oLg/1AXAA00051
• Needle nose pliers http://1aau.to/oLg/1AXAA00052
• Side Cutters
• Torque Wrench http://1aau.to/obvP/1AXAA00044
• Gloves http://1aau.to/obGs/1AXSS00048
• Safety Glasses
• Wire Ties

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⚠ DISCLAIMER:
While TRQ strives to make the information provided in this video as accurate as possible, it makes no claims, promises, or guarantees about the accuracy, completeness or applicability of the content. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. All do-it-yourself projects entail some risk. It is the sole responsibility of the viewer to assume this risk. TRQ is not responsible or liable for any loss damage (including, but not limited to, actual, consequential, or punitive), liability, claim, or any other injury or cause related to or resulting from any information posted in this video.