Check Engine Light

Check Engine Light Diagnostics in Cedar Park, TX

At Eagle Transmission in Cedar Park, we know how stressful it can be when your check engine light suddenly comes on. This small dashboard warning could mean something as simple as a loose gas cap or as serious as a failing transmission. Our certified technicians use advanced diagnostic tools to quickly pinpoint the cause and provide the right solution to keep your car running safely.


Why the Check Engine Light Comes On

The check engine light is part of your vehicle’s onboard diagnostic system. It monitors the engine, transmission, and emissions systems. When something isn’t working properly, the light activates to warn you. Common causes include:

  • Loose or faulty gas cap

  • Failing oxygen sensor

  • Spark plug or ignition coil issues

  • Mass airflow sensor problems

  • Catalytic converter failure

  • Transmission or drivetrain problems

Types of Check Engine Light Warnings

  • Steady Light – Indicates a minor issue that should be checked soon

  • Flashing Light – Signals a serious problem, often related to misfires or fuel issues, that needs immediate attention

If your light is flashing, pull over safely and call us for help.



Why Choose Eagle Transmission Cedar Park?

  • Free transmission diagnostics included

  • Certified technicians with years of experience

  • State-of-the-art diagnostic equipment

  • Clear explanations in plain language

  • Warranty-backed repairs for peace of mind

When to Schedule Service Immediately

Call us right away if your check engine light is on and you also notice:

  • Rough idling or stalling

  • Unusual noises from the engine or transmission

  • Decreased power or acceleration

  • Strong fuel or burning smells

Why You Shouldn’t Ignore the Light

Even if your car still drives normally, ignoring the check engine light can cause:

  • Lower fuel efficiency

  • More expensive repairs later

  • Engine or transmission damage

  • Increased emissions and inspection failures

Our Check Engine Light Diagnostic Process

When you bring your vehicle to Eagle Transmission Cedar Park, here’s what we do:

  1. Connect advanced scan tools to read error codes

  2. Inspect related parts such as sensors, spark plugs, or fuel components

  3. Perform a road test to confirm symptoms

  4. Provide a detailed explanation of the issue

  5. Give you an honest estimate before making repairs

Common Repairs After Diagnostics

  • Replacing spark plugs or ignition coils

  • Repairing or replacing oxygen sensors

  • Fixing mass airflow sensors

  • Servicing catalytic converters

  • Transmission or drivetrain repairs

  • Fuel system cleaning or repairs


Delaying service in these cases can cause major damage to your vehicle.

📍 Address: 200 S Bell Blvd, Cedar Park, TX 78613
 📞 Call Us: (512) 331-9797
 🕒 Hours: Monday – Friday: 8:00 AM – 5:00 PM
 💻 Schedule Online: https://cedarparktransmission.com/