When your check engine light comes on, it’s easy to feel a wave of concern. While the light doesn’t always indicate a major problem, it should never be ignored. The check engine light is your vehicle’s way of telling you that something isn’t functioning properly under the hood. At Everett Transmission & Auto Repair, we provide expert check engine light diagnostics and repair in the greater Everett, MA area. Here’s a look at four common check engine light triggers that should be promptly addressed. 

Faulty Oxygen Sensor

Your vehicle’s oxygen sensor monitors how much unburned oxygen is in the exhaust and helps regulate the air-fuel mixture for optimal performance. When an oxygen sensor fails, the engine may burn more fuel than necessary and reduce fuel-efficiency. A faulty oxygen sensor can also lead to problems with the catalytic converter if not addressed promptly.

Malfunctioning Spark Plugs or Ignition Coils

Spark plugs and ignition coils are essential for igniting the fuel-air mixture. When these components start to wear out or fail, they can cause engine misfires, reduced performance, and poor fuel-economy. A check engine light related to ignition problems may be accompanied by rough idling or difficulty starting the engine. Replacing spark plugs and coils as part of regular maintenance can help prevent this issue.

Catalytic Converter Issues

The catalytic converter is responsible for reducing harmful emissions by converting exhaust gases into less harmful substances. If it becomes clogged or damaged, the check engine light may come on, and your vehicle might experience a decrease in performance and fuel-efficiency. 

Mass Air Flow Sensor Failure

The mass air flow (MAF) sensor measures the amount of air entering the engine and helps determine the correct amount of fuel to inject. A malfunctioning MAF sensor can cause a variety of issues, including rough running, stalling, and poor acceleration. If this sensor fails, it often results in the check engine light coming on.

Check Engine Light Repair in Everett, MA

When you need auto repair in Everett, MA and the surrounding area, contact Everett Transmission & Auto Repair at (617) 958-2785. At our nearby auto shop, we can expertly address your vehicle’s repair and maintenance needs. Feel free to give us a call tomake an appointment!