What to Do When Your Check Engine Light Comes On | Cerrones European

Cerrones European in Redwood City, we know that seeing your check engine light come on can be unpleasant. Whether you're driving a BMW, Audi, Mercedes-Benz, or another European car, that small orange or yellow symbol is your vehicle's way of saying, “Something's not right.” Whereas it doesn't continuously cruel there's a serious issue, it ought to never be overlooked.

In this article, we'll clarify what the check engine light implies, common causes, and why Cerrone's European is your go-to benefit center when it shows up.

What Is the Check Engine Light?

The check engine light is portion of your car's onboard diagnostics (OBD) framework. When the motor control unit (ECU) detects a issue within the motor, transmission, or emanation system, it triggers the light to caution you.

The light more often than not shows up as an symbol of an motor, now and then with the words “Check Engine” or Service Engine Soon. It may remain strong or blink—each demonstrating diverse levels of direness. 

Common Reasons Your Check Engine Light Comes On

Here are a few typical issues that may trigger the light:

Loose or Damaged Gas Cap

One of the simplest causes is a loose gas cap. If it's not sealed properly, fuel vapors can leak and trigger the system.

Faulty Oxygen Sensor

  This sensor monitors how much unburned oxygen is in your exhaust and helps optimize fuel efficiency.

Worn Spark Plugs or Ignition Coils

  These are crucial for igniting the air-fuel mixture in your engine. When they wear out, you’ll see performance issues—and the check engine light.

Catalytic Converter Problems

  If this part fails, it affects emissions and engine performance, and can lead to costly repairs if not addressed quickly.

Mass Airflow Sensor Issues

  This sensor helps your engine manage air intake for optimal performance and fuel economy.

Solid vs. Flashing Check Engine Light

Solid Light: This usually indicates a minor issue like a loose gas cap or a sensor problem. You can still drive but should schedule service soon.

Flashing Light: This signals a severe problem, such as a misfire that can damage your catalytic converter. Pull over safely and have the vehicle checked immediately.

Steps To Take When Your BMW Service Engine Soon Light Appears In Real Redwood City

Ignoring your check engine light can lead to more serious and expensive problems. What starts as a \$50 fix could become a \$1,000+ repair if left unchecked. Additionally, your car may fail an emissions test if the light is on.

Check Engine Light Service at Cerrones European

At Cerrones European, we specialize in high-end European vehicles. When your check engine light comes on, our ASE-certified technicians use advanced diagnostic tools to pinpoint the issue accurately.

What You Can Expect:

Full Diagnostic Scan

  We read the trouble codes stored in your vehicle’s computer and interpret them with brand-specific expertise.

Thorough Inspection

  We go beyond the code to inspect related components, ensuring the real cause is found and fixed.

Upfront Communication

  We explain what’s wrong, what your options are, and the costs—before we do any repairs.

Reliable Repairs

  Whether it's a minor sensor replacement or a major engine issue, we use quality parts and expert workmanship.

Why Choose Cerrone’s European?

Specialized in BMW, Audi, Mercedes-Benz, Volkswagen, Mini, and More

Over 40 Years of Experience

Factory-Level Diagnostics

Excellent Customer Reviews

Trusted in Redwood City and the Peninsula

When it comes to your check engine light, trust the experts who know your European vehicle inside and out.

Schedule Your Appointment Today

Do not let your check engine light go unchecked. Contact Cerrones European in Redwood City nowadays for exact diagnostics and master benefit. Call us or book online to induce back on the street with certainty.

Cerrones European – Where Involvement Meets Brilliance in European Auto Repair.