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Check Engine Light On? Could Be A Faulty O2 Sensor

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  • Mon 7:45AM - 6:00PM
    Tue 7:45AM - 6:00PM
  • Wed 7:45AM - 6:00PM
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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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    Been going to Westgate for over a year now and can't be more pleased. Every repair bill you receive is itemized so you can see how much each part/service was and how much labor was charged. Dan has routinely demonstrated his honest business practices when diagnosing and repairing our vehicles. He's always communicated to me effectively and respectfully. I know when I take my car here I can trust that I will be receiving high quality repairs and that I will never be taken advantage of.

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    Wonderful service! Very knowledgeable, trusting, and doesn't over charge! I won't take my car anywhere else!

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    We recently brought my girlfriend's car in for a check up and oil change. Service was fast and they do a great job of letting you know the condition of your car and what work they've done. Thank you!

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    The staff here is always so kind and welcoming! They do an absolutely amazing with my car every time I come here. I won't take my car anywhere else. The is the only auto care place I have come to and they have created more trouble for my car.

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    Dan and his team did awesome work on my vehicle. Super fast and friendly! I'll definitely be back and recommend them to anyone!

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    I suddenly had a flat tire and pulled into Westgate High Tech Auto. They were so friendly and were able to pull my vehicle in right away. They fixed/plugged the hole in the tire quickly and I was able to make it to my meeting. This is a family owned and operated business and it was refreshing to be treated so well!

Call us for service: 402-397-8144

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