Oxygen Sensor Replacement Estimate for Audi A4 Quattro

Audi A4 Quattro Oxygen Sensor Replacement costs $260 on average. Following is a breakdown of the labor and parts estimates.

Skip the repair shop - our mechanics come to you
YourMechanic Price
$165 to $541
Labor: $70 -$296
Parts: $95 -$245
Average Dealer price
$282 to 834
Average Shop price
$201 to 615
Get an instant quote for your car
Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
Get a quote
CarServiceYourMechanic PriceShop/Dealer Price
2005 Audi A4 QuattroV6-3.0LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$471.82Shop/Dealer Price$619.04 - $849.16
1999 Audi A4 QuattroL4-1.8L TurboService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$214.53Shop/Dealer Price$276.19 - $403.74
2004 Audi A4 QuattroV6-3.0LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$467.88Shop/Dealer Price$614.27 - $841.56
1999 Audi A4 QuattroV6-2.8LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$278.39Shop/Dealer Price$358.38 - $523.77
2007 Audi A4 QuattroV6-3.2LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$362.78Shop/Dealer Price$464.58 - $689.86
2007 Audi A4 QuattroL4-2.0L TurboService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$322.53Shop/Dealer Price$411.07 - $619.52
1998 Audi A4 QuattroL4-1.8L TurboService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$217.93Shop/Dealer Price$280.48 - $410.60
1997 Audi A4 QuattroV6-2.8LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$209.48Shop/Dealer Price$269.87 - $393.63
Show example Audi A4 Quattro Oxygen Sensor Replacement prices

Parts required for a Audi A4 Quattro Oxygen Sensor Replacement

Meet some of our expert Audi mechanics

Real customer reviews from Audi owners like you.

450 reviews
Ben
36 years of experience
Highly recommend
2005 AUDI A4 QUATTRO - OIL PRESSURE LIGHT IS ON INSPECTION
Want Ben's expert advice? Ask your question now. Its free!
445 reviews
Chris
17 years of experience
Chris is fantastic! Will ask for him again to service my Audi A4
1998 AUDI A4 QUATTRO - WINDOW MOTOR / REGULATOR ASSEMBLY REPLACEMENT (DRIVER SIDE REAR)
Want Chris's expert advice? Ask your question now. Its free!
282 reviews
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)
Want Mark's expert advice? Ask your question now. Its free!
48 reviews
TJ
21 years of experience
Honest, hardworking and takes pride in his work. Talks you through every step of the way during his diagnosis and remediation.
2007 AUDI A4 QUATTRO - CAR IS NOT STARTING INSPECTION
Want TJ's expert advice? Ask your question now. Its free!

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