North Madison, Ohio
6797 Chapel Rd.
Madison, OH 44057
(440) 428-2677

What the Check Engine Light Could Be Telling You December 20, 2018

North Madison, Lake
What the Check Engine Light Could Be Telling You, North Madison, Ohio

Modern cars are equipped with built-in computers that monitor each system and alert drivers to potential problems. The check engine light is one feature that might light up on the dashboard. The engine is the most vital component of a car, and failing to acknowledge the warning light could lead to breakdowns on the road. Consult a check engine light repair specialist for help. They will look at the stored trouble codes to identify and correct common problems, outlined below. 

Potential Reasons Your Check Engine Light Is On

Oxygen Sensor Is Damaged

To ensure the engine doesn’t burn more fuel than necessary, an oxygen sensor measures the levels of unburned oxygen in the exhaust system. If the sensor is faulty or damaged, the check engine light will come on. A check engine light repair specialist will use diagnostic equipment to identify the source of the problem. They will correct the code or replace equipment to fix the issue. Otherwise, continuing to drive with a bad oxygen sensor will cause a drop in fuel economy.  

Spark Plugs Need to Be Replaced

check engine light repairsSpark plugs are needed to burn the mixture of fuel and air in the combustion chamber. From overheating to oil contamination, there are several factors that compromise spark plug performance. The glowing check engine light could indicate you need new spark plugs. Driving with worn parts could cause a chain reaction of problems, including clogs in the catalytic converter or damage to ignition coils.

Catalytic Converter Is Failing

Beyond worn spark plugs, other issues can compromise the health of the catalytic converter. The part is responsible for converting carbon monoxide from car exhaust into carbon dioxide to reduce air pollution. Without routine maintenance, the part will stop functioning properly, and the check engine light will come on. Replacing the part will ensure your car passes emissions tests while improving vehicle performance and fuel economy.


If your check engine light is on, trust the check engine light repair technicians at family-owned and-operated Madison Muffler and Auto to get to the bottom of the problem. With over 50 years of experience serving motorists in Lake County, OH, the Madison-based team will provide the necessary repairs and maintenance to improve car safety, comfort, and performance. To schedule check engine light repair, car electrical repair, or additional services, call (440) 428-2677. Visit the auto repair shop online to read customer testimonials and Facebook to learn how regular tuneups keep cars running smoothly. 

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