When the check engine light comes on, a person may panic. They worry that means there is something drastically wrong with the vehicle. Fortunately, that is not always the case. A faulty gas cap, for example, could also cause the light to come on. However, a driver should never ignore the check engine light. Determining the cause of the problem is essential so the correct repair can be made.
What Does the Check Engine Light Indicate?
The check engine light indicates to the driver there is a problem with the engine or the emission system. This problem may be minor or severe. Visit a facility offering auto repair in Castle Rock, CO, to learn where the problem lies and how best to fix it.
Solid or Flashing?
At times, the check engine light may be solid. A solid light indicates the vehicle needs attention, but no immediate threat exists. If the driver does not notice a significant change in the vehicle’s operation, they should schedule an appointment with the mechanic. However, when the check engine light is flashing, the driver should pull over and have the vehicle towed. The flashing light indicates the problem could be catastrophic if not addressed immediately.
Reasons the Check Engine Light May Come On
Drivers may wish to know why this light comes on. At times, it is because the fuel cap is not installed correctly. The fuel cap is designed to prevent gas vapors from escaping into the surroundings. When the gas cap is loose or faulty, unintended emissions occur, leading to the check engine light coming on.
Vehicles have a catalytic converter, which is essential to the emission system because it converts pollutants into less harmful substances. The check engine light comes on when something goes wrong with the catalytic converter. Address this issue immediately to improve vehicle performance and fuel efficiency. A problem with the catalytic converter usually indicates another problem within the vehicle engine or emission system.
A bad mass air flow sensor can also cause the check engine light to come on. The sensor measures airflow to the engine and determines the amount of fuel injected into it. When the mass air flow sensor is the problem, the driver may notice reduced engine performance and decreased fuel efficiency. Acceleration issues and rough idling may also be seen. Drivers may find that cleaning the sensor is enough to resolve the issue.
Before Visiting the Mechanic
If the check engine light is not flashing, drivers can do a few things to see if they can resolve the issue on their own. Ensure the gas cap is screwed on tightly, particularly if the gas tank has recently been filled. Review maintenance records to see if the vehicle is due for scheduled maintenance or has just been in the shop. This light may indicate it is time for work to be done to the car or suggest the system needs to be reset after having work done. However, if any unusual noises or odors have been detected, there’s probably another issue with the vehicle.
Never ignore the check engine warning light. The problem may be minor or severe. Drivers need to know that they are operating a safe vehicle, and the best way to know this is to have a mechanic inspect the car and determine what is going on.
