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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

Car Care Check Engine Light Advice

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

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    , 05/29/2021

    Friendly, knowledgeable & professional; left classic auto for repair work. Have a great reputation and will share more details after repairs are completed.

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    , 04/23/2021

    They are all very friendly. Cheaper than I expected. I really trust this place.

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    , 03/20/2021

    Send out a message reminding you of your appointment - EXTREMELY HELPFUL!! Also, they do great work and don't charge an arm and a leg. They are usually booked around a month out, so plan accordingly!!

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    , 02/27/2021

    I've been going to Mr. Budd & Ms. Donna along with Mr. Jedd for YEARS!!!

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    , 12/07/2020

    Great repairs done here. Take it there and when you get it back. Wow . Thanks west end

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    , 11/23/2020

    Love them they fixed my alternator in good timing

Call us for service: 501-455-4396

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