Toyota Corolla Oxygen Sensor Replacement at your home or office.

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$114.77 - $541.57

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Oxygen Sensor Replacement Estimate for Toyota Corolla

Toyota Corolla Oxygen Sensor Replacement costs $203 on average.

CarServiceEstimateShop/Dealer Price
1996 Toyota CorollaL4-1.8LService typeOxygen Sensor - Front/Upper/Upstream ReplacementEstimate$220.55Shop/Dealer Price$270.32 - $389.53
2014 Toyota CorollaL4-1.8LService typeOxygen Sensor - Front/Upper/Upstream ReplacementEstimate$982.15Shop/Dealer Price$1222.38 - $1912.83
1997 Toyota CorollaL4-1.8LService typeOxygen Sensor - Front/Upper/Upstream ReplacementEstimate$225.55Shop/Dealer Price$274.66 - $393.37
1977 Toyota CorollaL4-1.6LService typeOxygen Sensor - Front/Upper/Upstream ReplacementEstimate$284.41Shop/Dealer Price$349.45 - $513.21
2014 Toyota CorollaL4-1.8LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementEstimate$340.95Shop/Dealer Price$422.56 - $633.37
1986 Toyota CorollaL4-1.6LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementEstimate$214.03Shop/Dealer Price$261.01 - $374.45
1995 Toyota CorollaL4-1.8LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementEstimate$317.97Shop/Dealer Price$389.00 - $578.95
2013 Toyota CorollaL4-1.8LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementEstimate$438.95Shop/Dealer Price$542.74 - $825.32
Show example Toyota Corolla Oxygen Sensor Replacement prices

Service

What is the Oxygen Sensor all about?

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-MATROX-1

When replacing the oxygen sensor remember:

  • Many oxygen sensors are damaged by leaking oil or coolant. If that is the case, the cause of that leak needs to be identified and repaired, or else the replacement oxygen sensor will be damaged as well.
  • New vehicles require specific oxygen sensors, and not the universal sensors that were common prior to 1996.

How it's done:

  • Scan the computer in the car for codes.
  • Inspect for vacuum leaks and holes in the exhaust system.
  • Remove and replace the oxygen sensor if it is bad.
  • Check electrical connections.
  • Check for proper operation of oxygen sensors.
  • Clear diagnostic codes.
  • Test drive car.

Our recommendation:

Keep up with the tune-ups. If check engine light is on, don't drive the car too long without getting it inspected. If check engine light is flashing, pull over and get the car towed to avoid costly repairs. Ask the mechanic to inspect the vacuum hoses and leaks in the exhaust system. If the vacuum hose or exhaust system is leaking, it will display an oxygen sensor fault code. Replacing an oxygen sensor may not fix the problem.

What common symptoms indicate you may need to replace the Oxygen Sensor?

  • Check Engine light is on.
  • Car is getting poor gas mileage.
  • Emission test fails.

How important is replacing the oxygen sensor?

Your vehicle has multiple oxygen sensors, and they all help the car run optimally. The front sensors measure how much oxygen is in the exhaust stream to measure how rich or lean the gases leaving the gas chamber are. The rear sensors measure the oxygen content of the gases as they leave the catalytic converter. The oxygen sensors then relay this information to your vehicle’s electronic control unit, so that it can adjust as necessary. Because cars depend on an ideal fuel-to-air ratio to function optimally, the oxygen sensors are leaned on for engine performance. When your oxygen sensors fail your car will run less smoothly, get worse mileage, and have worse emissions.

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Meet some of our expert Toyota mechanics

Real customer reviews from Toyota owners like you.

Excellent Rating


YourMechanic Toyota Corolla Oxygen Sensor Replacement Service

Average Rating

4.6/5

Number of Reviews

14

Rating Summary
13
1
0
0
0
13
1
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Joe

12 years of experience
255 reviews
Joe
12 years of experience
Joe was knowledgeable and very helpful.
2006 TOYOTA COROLLA - OXYGEN SENSOR REPLACEMENT (REAR/LOWER/DOWNSTREAM) - ANTIOCH, TENNESSEE

Cody

5 years of experience
40 reviews
Cody
5 years of experience
Cody waa time savy, communicated very well, and made the service that much more worth it . would book again in the future without a doubt.
2009 TOYOTA COROLLA - OXYGEN SENSOR REPLACEMENT (FRONT/UPPER/UPSTREAM, REAR/LOWER/DOWNSTREAM) - ARLINGTON, TEXAS

Brian

18 years of experience
44 reviews
Brian
18 years of experience
Brian was fantastic! He arrived about 10 minutes earlier than the appointment time, and completed the part replacement the appointment was booked for, as well as the full car check-up, in less than an hour. He let me know once he was done, and then went over the other items that required attention on my car in detail. He is extremely friendly, efficient, and knowledgable and I would highly recommend him to anyone who is looking for a fantastic mechanic.
2007 TOYOTA COROLLA - OXYGEN SENSOR REPLACEMENT (REAR/LOWER/DOWNSTREAM) - PHOENIX, ARIZONA

Patrick

30 years of experience
865 reviews
Patrick
30 years of experience
Patrick was right on time (perhaps a little early) He got to work right away and finished ahead of the projected time it was supposed to take. He is courteous and friendly. This is my second experience with Patrick and I will be happy to have him work on my car again
2005 TOYOTA COROLLA - OXYGEN SENSOR REPLACEMENT (FRONT/UPPER/UPSTREAM) - AUSTIN, TEXAS

Excellent Rating


YourMechanic Toyota Corolla Oxygen Sensor Replacement Service

Average Rating

4.6/5

Number of Reviews

14

Rating Summary
13
1
0
0
0
13
1
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Red-stars EXCELLENT RATING ON
Number of Toyota Corolla Oxygen Sensor Replacement services completed
154+
services done by our mechanics
TOTAL NUMBER OF EXPERT Toyota MECHANICS
1000+
experts on our platform

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