(703) 352-7770 |  3215 Old Pickett Road, Fairfax, VA 22031  |  Mon–Fri: 8:00am–6:00pm (After Hours Key Dropoff Available)

Top Reasons Your Check Engine Light Might Be On: Insights from ABS Unlimited Auto Repair

February 22, 2024

Top reasons your check engine light is on in Fairfax, Va with ABS Unlimited Auto Repair. Close up image of illuminated check engine light on car dashboard.

When the check engine light illuminates on your dashboard, it’s a signal that your vehicle needs attention. At ABS Unlimited Auto Repair in Fairfax, VA, we understand the concern and confusion this can cause. With our expertise and commitment to service, we’re here to shed light on the most common reasons your check engine light might be on and how we can help.

Understanding the Check Engine Light

The check engine light is part of your vehicle’s on board diagnostics system. When it detects a problem that could affect your vehicle’s emissions, performance, or efficiency, it alerts you by turning on this light. While it might be tempting to ignore, addressing the issue early can prevent more significant problems down the road.

Common Reasons for a Check Engine Light Activation

Several issues can trigger the check engine light, ranging from minor to more serious. Here are the top reasons you might see this warning:

  1. Oxygen Sensor Failure: The oxygen sensor measures the amount of unburned oxygen in your vehicle’s exhaust system. A faulty sensor can cause inefficient fuel consumption and harm the catalytic converter.
  2. Loose Gas Cap: Something as simple as a loose or damaged gas cap can trigger the light. The cap seals the fuel system and maintains pressure while preventing fumes from escaping.
  3. Catalytic Converter Failure: The catalytic converter helps protect the environment by converting harmful carbon monoxide into carbon dioxide. A malfunction can decrease performance and fuel economy, leading to more significant issues.
  4. Mass Airflow Sensor Issue: This sensor measures the amount of air entering the engine to determine how much fuel is needed to run efficiently. A problem here can result in reduced performance and fuel economy.
  5. Spark Plugs or Ignition Coil Problems: Worn or faulty spark plugs and ignition coils can cause misfires, reduced power, and trigger the check engine light.

Why Choose ABS Unlimited for Your Check Engine Light Diagnostics?

At ABS Unlimited Auto Repair, we’re not just about fixes; we’re about forming lasting relationships based on trust and high-quality service. Here’s why you should bring your vehicle to us for check engine light diagnostics:

  • Expert Diagnostics: Our ASE certified technicians use state-of-the-art diagnostic equipment to accurately determine the cause of your check engine light alert.
  • Comprehensive Solutions: We provide a full range of services to address the underlying issues, from simple fixes like tightening a gas cap to more complex repairs.
  • Transparent Service: Honesty is at the heart of our family business. We’ll explain the problem and necessary repairs clearly and keep your best interests in mind.
  • Exceptional Warranty: With a 3-year, 36,000-mile warranty on most parts and labor, you can trust in the durability of our work.
  • Customer-Centric Approach: Our clean shop and welcoming waiting area reflect our commitment to making your experience as comfortable as possible.

Schedule Your Check Engine Light Diagnostics Today

If your check engine light is on, don’t wait until it’s too late. Contact ABS Unlimited Auto Repair at (703) 352-7770 or visit us online at http://www.autoservicefairfax.com. Located at 3215 Old Pickett Road, Fairfax, VA, our friendly, knowledgeable team is ready to assist you. Let us help you keep your car running smoothly and efficiently, because at ABS Unlimited, “Service is our Specialty.”