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Oxygen Sensor for Audi A6

You will find your Audi A6 oxygen sensor located near your exhaust manifold. The A6 oxygen sensor is part of a network of sensors your car uses to regulate its combustion cycle. The primary function of the Audi A6 oxygen sensor is to measure the level of oxygen that is mixing with your fuel.


Your engine strives for an oxygen-to-fuel ratio of 14.7 to 1, which is the goal your A6 oxygen sensor attempts to achieve. When the Audi A6 oxygen sensor is not functioning properly, your car's computer relies on data from other sensors to estimate the amount of oxygen.


This typically means the oxygen-fuel mixture will be "rich"—your engine will use more fuel than it needs, because too much fuel is better than too little. A faulty A6 oxygen sensor reduces your fuel economy. Too much fuel in your exhaust due to a bad Audi A6 oxygen sensor will also damage your catalytic converter over time. The most reliable way to detect a faulty A6 oxygen sensor is through a diagnostics check. However, an Audi A6 oxygen sensor that is not working correctly sometimes functions intermittently, so a diagnostics test will not always catch it. If you have noticed that a tank of gas is not getting you as far as it used to, you may need to replace your A6 oxygen sensor to restore your fuel economy. Browse our easy-to-search online catalogue for a replacement Audi A6 oxygen sensor at a discount price. Your new A6 oxygen sensor will be shipped right to your door when you order through our secure online server or call our toll-free customer service number.

 
 Part Name Audi A6 Oxygen Sensor - Before Catalytic Converter Click Image to Enlarge
Oxygen Sensor
Part #USOS-4000
 Brand Replacement
 Fits 1995-2009 Audi A6
 Features
  • Location: Before Catalytic Converter
  • Type: Universal Product, Heated, 4-wire, 15 Cm Long, With Butt Type Connectors
  • Warranty: 1-year, Unlimited-mileage Warranty
 Year 1995-2009
 Description UNIVERSAL OXYGEN SENSOR, HEATED, 4-WIRE -- 15 cm long wiring; Includes butt type connectors and easy-to-follow instructions; Without plug; Quality tested to ensure efficient fuel combustion; A high quality oxygen sensor; Features stainless steel shell, hex nut, and shield, Teflon-covered insulated wires, high-temperature rubber internal and external seals, and threaded tube coated with anti-seize compound; Helps reduce harmful emissions.
 Your Price $28.14
 Quantity
Audi A6 Oxygen Sensor also fits these models:
  • 1995|2004|2006|2007|2008|2009::All Submodels; All Engines;

 
 Part Name Audi A6 Quattro Oxygen Sensor - Universal Product, Heated, 4-wire, 15 Cm Long, With Butt Type Connectors Click Image to Enlarge
Oxygen Sensor
Part #USOS-4000
 Brand Replacement
 Fits 1995-2009 Audi A6 Quattro
 Features
  • Type: Universal Product, Heated, 4-wire, 15 Cm Long, With Butt Type Connectors
  • Warranty: 1-year, Unlimited-mileage Warranty
 Year 1995-2009
 Description UNIVERSAL OXYGEN SENSOR, HEATED, 4-WIRE -- 15 cm long wiring; Includes butt type connectors and easy-to-follow instructions; Without plug; Quality tested to ensure efficient fuel combustion; A high quality oxygen sensor; Features stainless steel shell, hex nut, and shield, Teflon-covered insulated wires, high-temperature rubber internal and external seals, and threaded tube coated with anti-seize compound; Helps reduce harmful emissions.
 Your Price $28.14
 Quantity
Audi A6 Quattro Oxygen Sensor also fits these models:
  • 1995|2000|2001|2002|2003|2004|2005|2006|2007|2008|2009::All Submodels; All Engines;

 
 Part Name Audi A6 Oxygen Sensor - After Catalytic Converter Click Image to Enlarge
Oxygen Sensor
Part #USOS-4000
 Brand Replacement
 Fits 1996-2003 Audi A6
 Features
  • Location: After Catalytic Converter
  • Type: Universal Product, Heated, 4-wire, 15 Cm Long, With Butt Type Connectors
  • Warranty: 1-year, Unlimited-mileage Warranty
 Year 1996-2003
 Description UNIVERSAL OXYGEN SENSOR, HEATED, 4-WIRE -- 15 cm long wiring; Includes butt type connectors and easy-to-follow instructions; Without plug; Quality tested to ensure efficient fuel combustion; A high quality oxygen sensor; Features stainless steel shell, hex nut, and shield, Teflon-covered insulated wires, high-temperature rubber internal and external seals, and threaded tube coated with anti-seize compound; Helps reduce harmful emissions.
Fits: Quattro.
 Your Price $28.14
 Quantity
Audi A6 Oxygen Sensor also fits these models:
  • 1996|1997|1998|1999|2000|2001|2002|2003::All Submodels; All Engines;


 
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