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414-312-8611 | 4035 N Green Bay Ave Milwaukee, WI 53209

Check Engine Light On? Could Be A Faulty O2 Sensor

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 Our Customers Are Saying

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He's the most honest mechanic I've ever had, and he and his team do great work at an extremely fair price.

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Excellent service. Great people. Highly recommend.

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Have a great experience every time I come to the shop. Amazing service, great prices, and nice atmosphere. Definitely recommend.

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Great place to get your vehicle repaired. Honest and great service. Prices beat anyone around. They offer a shuttle service if needed also.

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I've been taking my cars to Manyo Motors for 3 years. Dave and his team quoted me a really fair price and he did it in the fastest way possible. They even gave me a ride back to my house after I dropped my car off. I couldn't imagine going anywhere else besides Manyo Motors.

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Direct and to the point... Dave and his team and are top notch... An auto repair place that fixes what you need fixed.... NOT one that is sticking their hand in your pocket for things that you may need in the next 6-12 months!

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