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Check Engine Light On? Could Be A Faulty O2 Sensor

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

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TESTIMONIALS

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Dylan is amazing!! Wonderful service! Wouldn't go anywhere else with our cars. Great guy, great business, highly recommended!
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A+ experience and I am critical and skeptical of mechanics. Dylan and his team are very personable, never hesitate to take the time to discuss issues and options with you. Very honest and straightforward and some of the lowest prices I've seen. Couldn't be happier knowing I have a dependable mechanic in my town. Thank you Dylan. Give him a try, I highly doubt you'll ever take your car elsewhere.
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Real honest crew! They found the issue, gave me a great price, and completely satisfied all my vehicle needs. I will continue to use Dylan's in the future. Definitely would recommend this place to anyone.
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I was referred to Dylan's for electrical work by another local shop that I trust. I would recommend Dylan's to anyone looking for fair-priced, skilled automotive repairs. Plus, they are very honest and friendly.
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Dylan is a straight shooter! Does great work at a fair price!!
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Over a year ago my driver side window regulator stopped working. Brought my van into Dylan's for repair. Last week the new regulator broke. I rarely drive my van. Only driven around 3000 miles in 18 months. Dylan's repaired the window for no charge even though it was a bit out of warranty because of the little use the window had. Thank you Dylan's for backing up your work, and parts!! I appreciate that you took the extra step with my vans window issue. You have definitely earned my gratitude, and loyalty!