Oxygen Sensor Replacement Estimate for Audi A8

Audi A8 Oxygen Sensor Replacement costs $252 on average. Following is a breakdown of the labor and parts estimates.

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YourMechanic Price
$234 to $283
Labor: $98 -$112
Parts: $136 -$171
Average Dealer price
$403 to 471
Average Shop price
$287 to 330
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CarServiceYourMechanic PriceShop/Dealer Price
1998 Audi A8V8-3.7LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$245.25Shop/Dealer Price$317.64 - $454.76
1999 Audi A8V8-3.7LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$242.53Shop/Dealer Price$314.40 - $449.61
1997 Audi A8V8-3.7LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$278.93Shop/Dealer Price$359.80 - $522.22
1997 Audi A8V8-3.7LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$242.53Shop/Dealer Price$314.35 - $449.51
1999 Audi A8V8-3.7LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$282.34Shop/Dealer Price$364.03 - $528.99
1998 Audi A8V8-3.7LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$282.34Shop/Dealer Price$363.99 - $528.92
Show example Audi A8 Oxygen Sensor Replacement prices

Parts required for a Audi A8 Oxygen Sensor Replacement

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Mark
6 years of experience
Mark was punctual and friendly. He replaced the engine mount on my Audi A4. The only hiccup was that the mount that I purchased myself the mount was not the same as the original part (but compatible). I imagine that a mechanic with more experience with this model would have noticed this before the install so that I could exchange the part.
2006 AUDI A4 QUATTRO - ENGINE MOUNT REPLACEMENT (FRONT, SIDE)
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Carlos
11 years of experience
Carlos went above and beyond, and would recommend his services to anyone in need.
2006 AUDI S4 - POWER STEERING FLUID IS LEAKING INSPECTION
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Jose
11 years of experience
Great job!! He was very professional and knowledgeable. I would highly recommend him!!!
2008 AUDI A6 - BRAKE LIGHT IS NOT WORKING INSPECTION
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Mung
16 years of experience
GREAT DISCUSSING MY CAR ISSUES WITH MR. MUNG. HE WAS VERY FRIENDLY AND KNOWLEDGEABLE. WILL BE ASKING FOR HIM AGAIN.
1999 AUDI A4 QUATTRO - VALVE COVER GASKET REPLACEMENT
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All about Oxygen Sensor Replacement

With each new model year, manufacturers are adding more oxygen sensors to better manage engine operation. Some high performance engines have an oxygen sensor for each cylinder as well as one for the rear of each catalytic convertor. The sensors are located either underneath the hood or underneath the car. The oxygen sensors are connected (screwed) to the exhaust pipe, either in front or back of the catalytic converter. The front (upstream) sensors measure the amount of oxygen in the exhaust system. The purpose of the front oxygen sensor(s) is to measure how rich or lean the gases are as the gases exit the combustion chamber. Depending upon whether the exhaust gas is lean (high in oxygen content) or rich (low in oxygen content), the amount of fuel entering the engine is adjusted by the engine management computer to try and maintain an ideal mixture that produces the lowest emissions output from the catalytic convertor. Rear (downstream) sensors are located behind the catalytic converter. The purpose of the rear oxygen sensor(s) is to monitor the oxygen content of the exhaust gases leaving the catalytic convertor. If one or more of the oxygen sensors are faulty, your car may not pass the emissions test. If you drive your car with a faulty oxygen sensor, you may get poor gas mileage and it can damage the catalytic converter.

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