Oxygen Sensor Replacement Estimate for Audi S4

Audi S4 Oxygen Sensor Replacement costs $327 on average. Following is a breakdown of the labor and parts estimates.

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YourMechanic Price
$157 to $754
Labor: $70 -$544
Parts: $87 -$210
Average Dealer price
$268 to 1053
Average Shop price
$193 to 829
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CarServiceYourMechanic PriceShop/Dealer Price
2001 Audi S4V6-2.7L TurboService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$645.09Shop/Dealer Price$934.20 - $1246.15
2005 Audi S4V8-4.2LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$569.19Shop/Dealer Price$840.49 - $1096.39
1992 Audi S4L5-2.2L TurboService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$183.77Shop/Dealer Price$254.24 - $359.27
1994 Audi S4L5-2.2L TurboService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$183.77Shop/Dealer Price$254.30 - $359.38
2006 Audi S4V8-4.2LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$325.11Shop/Dealer Price$432.74 - $641.22
2012 Audi S4V6-3.0L TurboService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$271.04Shop/Dealer Price$357.59 - $535.59
2011 Audi S4V6-3.0L TurboService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$192.48Shop/Dealer Price$259.61 - $378.86
1993 Audi S4L5-2.2L TurboService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$183.77Shop/Dealer Price$254.37 - $359.50
Show example Audi S4 Oxygen Sensor Replacement prices
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Parts required for a Audi S4 Oxygen Sensor Replacement

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282 reviews
Mark
6 years of experience
Mark is an awesome mechanic, he was polite, extremely knowledgeable, and very patient with me and total lack of understanding with anything related to cars!!
2001 AUDI S4 - CAR IS NOT STARTING INSPECTION
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192 reviews
Chet
36 years of experience
Second time using Chet, just as good as the first. Will be using him again.
2001 AUDI S4 - OIL CHANGE
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178 reviews
Chris
11 years of experience
Chris was great! He worked busily and efficiently and brought his 1-year old dog who was very sweet.
2006 AUDI A4 QUATTRO - PRE-PURCHASE CAR INSPECTION
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87 reviews
Manuel
27 years of experience
Manuel was just Fabulous as usual ! He did a Fantastic Job well within time and it was a quality job !
2009 AUDI Q7 - BRAKE PADS REPLACEMENT (REAR)
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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.

Oxygen Sensor Replacement Estimates for Popular Audi Models