When your car’s check engine light comes on, it can be a stressful and worrisome experience. However, understanding the basics of auto diagnostics and the importance of the check engine light can make these situations much less daunting. We will cover everything you need to know about auto diagnostics and the check engine light.
What Are Auto Diagnostics?
Auto diagnostics involves identifying and troubleshooting issues with a vehicle’s systems using specialized equipment. This equipment is connected to the car’s onboard computer, the OBD-II (onboard diagnostics) system. The OBD-II system constantly monitors the performance of various components in your vehicle and stores any detected problems as error codes.
Why Is The Check Engine Light Important?
The check engine light serves as an indicator that something is wrong with your car. It typically appears as an orange or yellow light on your dashboard and can sometimes be accompanied by other warning lights. When this light turns on, an error code has been stored in your vehicle’s OBD-II system.
Ignoring a lit check engine light can lead to further damage to your car and potentially cost you more in repairs. Address any issues indicated by the check engine light promptly.
Common Causes Of A Check Engine Light
There are numerous reasons why a check engine light may turn on, ranging from minor issues such as a loose gas cap to more severe problems like a faulty oxygen sensor or catalytic converter. Some other common causes include spark plug or ignition coil failure, emissions control system malfunctions, or even low oil levels.
Sometimes, the problem may be as simple as needing an oil change or replacing a worn-out air filter. However, it is always best to have a professional mechanic properly diagnose the issue using specialized equipment.
What To Do When Your Check Engine Light Comes On
If your check engine light turns on, don’t panic. The first step is to check your gas cap and ensure it is securely tightened. Often, a loose gas cap can trigger the check engine light. If the light stays on after tightening the gas cap, schedule an appointment with a trusted auto repair shop like KD Auto Repair for a diagnostic test.
During the diagnostic test, our skilled technicians will use specialized equipment to read the error code and determine the cause of the issue. From there, we can provide you with an accurate diagnosis and recommend any necessary repairs.
We understand that dealing with a lit check engine light can be overwhelming. However, by understanding the basics of auto diagnostics and promptly addressing a check engine light, you can avoid further damage to your vehicle and potentially save money in the long run. Always consult a professional mechanic for accurate diagnoses and repairs when needed.