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What to do if the Check Engine Light Comes On?

Paola L

The check engine light is one of the most feared indicators for drivers. Its appearance can signal anything from a minor issue to a serious malfunction. At New Level Auto Service, we understand the stress this warning can cause, so here’s a step-by-step guide on what to do if your check engine light comes on.


✅ Stay Calm

First things first — don’t panic. The check engine light may be triggered by something as simple as a loose gas cap or a dirty sensor. However, ignoring it could lead to more significant problems over time.

✅ Look for Other Warning Lights

Check your dashboard for any additional warning indicators. For example, if both the oil light and the check engine light are on, this could point to a more critical issue that requires immediate attention.

✅ Check Your Fluid Levels

Before heading to a repair shop, inspect the oil, coolant, and transmission fluid levels. Low fluid levels can sometimes cause the engine light to activate.

✅ Drive with Caution

If the light is steady (not blinking), you can usually continue driving carefully. Avoid sudden acceleration and high speeds. If the light is blinking, this often means a serious issue (such as engine misfire), and you should pull over safely and shut off the engine.

✅ Scan the Error Code

The most accurate way to find out why your check engine light is on is by scanning your vehicle’s onboard diagnostic (OBD-II) system. At New Level Auto Service, we offer advanced diagnostics to read your vehicle’s trouble codes and determine the exact cause.

✅ Understand the Code

Some issues, like a loose gas cap, are simple to fix. Others may involve more complex systems such as the catalytic converter, mass airflow sensor, or spark plugs. If in doubt, always consult a professional technician.

✅ Visit a Trusted Mechanic

For accurate diagnosis and repair, bring your vehicle to New Level Auto Service in Rockville, MD. Our certified technicians will perform a full inspection and recommend the right solution to get you back on the road safely.

✅ Keep a Maintenance Log

Once resolved, record the issue and repair details in a maintenance log. This helps track your vehicle’s performance and can assist with early detection of recurring problems.

✅ Prevent Future Issues

The best way to avoid seeing the check engine light again is through regular maintenance. At New Level Auto Service, we provide scheduled inspections and preventative services to keep your car running smoothly and reliably.

🛠️ Don’t Ignore the Light – Take Action Today

The check engine light might not always mean disaster, but it’s a sign that something needs attention. Don’t take risks — schedule a diagnostic check at New Level Auto Service and drive with confidence.

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