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Check Engine Light On? Could Be A Faulty O2 Sensor

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Check Engine Light On? Could Be A Faulty O2 Sensor



According to the annual CarMD Vehicle Health Index one of the most common check engine light repairs is replacing the oxygen sensor. This relatively minor repair can be costly if neglected, leading to as much as 40 percent lower fuel efficiency, causing further damage to your vehicle's exhaust system and adversely impacting the environment.



Vehicles with faulty oxygen sensors typically seem to drive and handle well, but the malfunction can dramatically decrease fuel efficiency and lead to costlier repairs if ignored. A faulty oxygen sensor means your vehicle is emitting more pollutants and if the check engine light is illuminated, it may not pass vehicle emissions testing in those states requiring it for vehicle registration.



A vehicle's oxygen sensors are mounted in the exhaust system; they monitor the catalytic convertor's operation and the level of oxygen in exhaust gases to maintain efficient engine operation. The best way to prevent an oxygen sensor failure is to follow a regular service schedule, including routine oil changes.



Unlike the past nine years of the annual CarMD report, costly catalytic converter replacement edged out O2 sensor replacement as the most common check engine light repair. Catalytic converters do not typically fail unless maintenance and other repairs are ignored or the vehicle is older. Average vehicle age has increased from 10.6 years to 11.7 years over the past decade, contributing to this outcome.



It is important that car owners check the reason for an illuminated check engine light without delay and make necessary maintenance to avoid more costly repairs, like catalytic converter replacement, down the road. If you find your vehicle needs service, call your trusted local repair shop.



Source: Car Care Council


What People Say About Us

  • reviewicon
    , 07/07/2020

    Honest and reasonable. Fast and friendly. Did a great job on my vehicle. Will be back for all my vehicle maintenance and repair.

  • reviewicon
    , 07/07/2020

    I started taking my daughters car here after a horrible experience at Firestone down the road. They have been honest and straight forward with us. They made my daughter feel as if she could trust them and their work over the other repair shops around. Keep up the great work!

  • reviewicon
    , 07/07/2020

    Both of my children attend UTC. Any time there is an issue with one of their vehicles I have to deal with it remotely. Every time the team at Maxi has taken care of them without question and given us fantastic service. It is hard to find someone who you feel you can trust to do the right thing and treat young customers with professionalism and respect. I recommend the team at Dayton Blvd without question.

  • reviewicon
    , 07/07/2020

    I live in central Florida and my son attends UT Chat. He needed some immediate muffler repairs on his truck and as a college kid, he was clueless who to take it to. I found Maxi on the web and read excellent review after review so I sent my son in. I called ahead and spoke with Steve who was extremely kind and very professional. They did an amazing job with honesty and integrity being first at hand. Thanks Steve!! I would definitely recommend this business if your are seeking quality, honest, and professional service.

  • reviewicon
    , 07/07/2020

    Maxi was professional and repaired my vehicle in record time! More importantly, they were honest with me about the work needed and the cost beforehand.

  • reviewicon
    , 07/07/2020

    Had to get some work done on my car. The mangers there were very helpful and knowledgeable about what needed to be done. I would definitely recommend this place and I am going there whenever I need my car fixed again.

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