GMC Service Tips: Check Engine Light

What makes the GMC service at Lester Glenn Buick GMC stand out from the rest? At our dealership, you’ll find high-quality service and long-lasting parts, but you’ll also find information and resources on caring for your vehicle between appointments. Learn about essential parts and systems like the Check Engine light at our dealership today.

What Does the Check Engine Light Mean?
It can be a little nerve-wracking to see the Check Engine light come on your dashboard — but don’t worry. There’s often a simple explanation, including some of the following.

Loose Gas Cap
One of the most common reasons for a Check Engine light to come on is a loose gas cap, so always check that first. The gas cap may also have become damaged or stripped, so look for signs of wear before moving on.

Emissions Equipment
New cars are designed to produce fewer, cleaner emissions, and to prevent dirty exhaust from being released. When parts in the emission systems, like the catalytic converter, are damaged, the Check Engine light will come on.

The Ignition System Needs Service
There are many different parts in your ignition system, like spark plugs, coil packs, and wires. If any of those parts become damaged or misaligned, it may cause the ignition system to fail, triggering the Check Engine light.

Engine or Transmission Problems
The Check Engine light will alert you if there are any complications or issues with the powertrain system, as a whole. Since the engine and transmission are complex systems with lots of moving parts, it’s best to bring the vehicle in for service when the Check Engine light comes on.

Protect and maintain your GMC vehicle with the support of Lester Glenn Buick GMC. Whether you need oil changes, tire rotations, or engine light diagnostics, we’re here to help.

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