Oxygen Sensor Replacement Estimate for Buick Century

Buick Century Oxygen Sensor Replacement costs $112 on average. Following is a breakdown of the labor and parts estimates.

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YourMechanic Price
$96 to $164
Labor: $70 -$80
Parts: $26 -$84
Average Dealer price
$146 to 261
Average Shop price
$116 to 188
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CarServiceYourMechanic PriceShop/Dealer Price
1995 Buick CenturyL4-2.2LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$98.52Shop/Dealer Price$120.17 - $152.44
1988 Buick CenturyL4-2.5LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$97.99Shop/Dealer Price$119.58 - $151.51
2002 Buick CenturyV6-3.1LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$136.21Shop/Dealer Price$167.30 - $227.86
1990 Buick CenturyV6-3.3LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$97.99Shop/Dealer Price$119.55 - $151.47
2005 Buick CenturyV6-3.1LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$137.45Shop/Dealer Price$168.85 - $230.34
1994 Buick CenturyV6-3.1LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$140.03Shop/Dealer Price$172.05 - $235.46
1987 Buick CenturyV6-3.8LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$106.66Shop/Dealer Price$130.44 - $168.89
1996 Buick CenturyL4-2.2LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$159.12Shop/Dealer Price$195.99 - $273.77
Show example Buick Century Oxygen Sensor Replacement prices

Parts required for a Buick Century Oxygen Sensor Replacement

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586 reviews
Joshua
22 years of experience
Thank you Joshua. Professional, knowledgeable, courteous. He knows what he's doing.
1997 BUICK CENTURY - CHECK ENGINE LIGHT IS ON INSPECTION
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287 reviews
Steven
9 years of experience
He showed up exactly when the appointment was. He was ready and very energetic. He keep me up to date with everything that was going on and even gave me a few pointers. He was very respectable and professional. I couldn't be more satisfied with the service that I was provided. I will definitely give this guy a call when I need more work done. Thank you for the amazing service Steven!
1994 BUICK CENTURY - FUEL PUMP REPLACEMENT
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73 reviews
Danny
6 years of experience
Danny did another great job. He's also a very nice guy, and always goes a step above and beyond. Thank you so much!
1998 BUICK CENTURY - ALTERNATOR / SERPENTINE BELT REPLACEMENT
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59 reviews
Terry
20 years of experience
He was early, knowledgeable and fast!
2003 BUICK CENTURY - WINDOW MOTOR / REGULATOR ASSEMBLY REPLACEMENT (PASSENGER SIDE FRONT)
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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 Buick Models