When the check engine light turns on, it’s not an automatic indication that your engine is about to completely fail. But you should still get to the shop ASAP for diagnostics so that the issue can be identified and resolved before it gets worse. At Absolut Autoworks, we provide expert check engine light diagnostics and repair in the greater Sterling, VA area. Here are five common check engine light triggers. 

Faulty Oxygen Sensor

One of the leading causes behind a check engine light is a malfunctioning oxygen sensor. These sensors monitor the level of oxygen in the exhaust gasses and help regulate fuel injection. When they fail, your vehicle's performance and fuel efficiency may suffer, and you may experience increased emissions. 

Malfunctioning Mass Airflow Sensor

The mass airflow sensor measures the amount of air entering the engine and helps the engine control module adjust the fuel-to-air ratio. When this sensor malfunctions, it can lead to poor performance, decreased fuel-efficiency, and increased emissions. 

Catalytic Converter Issues

A failing catalytic converter can trigger the check engine light and pose a threat to both your vehicle's performance and the environment. The catalytic converter turns harmful gasses into less harmful substances before they exit the exhaust system. Signs of a faulty catalytic converter include poor acceleration and a sulfurous odor.

Spark Plug or Ignition Coil Problems

The spark plugs and ignition coils play a vital role in the combustion process. Worn-out spark plugs or faulty ignition coils can cause misfires, leading to a check engine light activation. Ignoring these issues can result in reduced engine performance.

Loose or Faulty Gas Cap

The gas cap plays a crucial role in maintaining the pressure in the fuel system. If it is damaged or not properly sealed, it can lead to fuel evaporating before it is directed to the engine. Although it might seem strange, a loose/damaged gas cap may trigger the check engine light.

Check Engine Light Repair in Sterling, VA

When you need check engine light diagnostics and repair in Sterling, VA and the surrounding area, contact Absolut Autoworks at 703-437-1607. At our nearby auto shop, we can expertly handle your vehicle’s repair and maintenance needs. Feel free to give us a call today to schedule an appointment!