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What Does It Mean When Your Buick GMC Check Engine Light Symbol Is On?

what does it mean when your buick gmc check engine light symbol is on?

Come to Beck & Masten Buick GMC North to learn what it means when your Buick GMC check engine light symbol is on.

The check engine warning light warns drivers of future engine issues or even complete failure. There are many reasons your check engine light may come on. It could be anything from a simple sensor failure, an alert to schedule maintenance, or even warning of potentially significant issues that might cause engine failure. So, even if the check engine light is triggered, it may not be a complete disaster. However, if your check engine light comes on, we suggest bringing it to us for a full diagnostic inspection. Even if nothing acts broken, getting it inspected can be the difference between needing to replace the engine and a simple fix.

The Gas Cap is Not Fully Tightened

Failing Gas Cap

Something as basic as forgetting to replace the gas cap or not tightening it correctly may trigger a check engine light. The gas cap will probably need to be replaced during your time of ownership. After 50,000 miles, you may want to replace a gas cap. If it’s time to replace your gas cap, we highly recommend genuine replacement parts from the manufacturer. Replacement parts from DIY stores will work in an emergency, but nothing is better than parts from the manufacturer.

Spark Plugs in Your Vehicle are Faulty

Spark Plugs in The Vehicle are Faulty

Spark plugs are vital to the performance of your engine. As the name suggests, spark plugs give off a spark of electricity, which then ignites the gas and causes your engine to run. Spark plugs demand very precise measurements for optimal effectiveness, and if the spark plug gap is incorrect, it could potentially trigger a check engine warning light. Symptoms of worn spark plugs include lower fuel efficiency, slower acceleration, and an engine that just will not run smoothly.

Failing Vehicle Oxygen Sensors

Oxygen Sensors in The Vehicle are Faulty

Several sensors provide info to your engine to help it work efficiently. However, bad sensor readings from components like the mass airflow sensor or the oxygen sensors can trigger a check engine warning light. If the vehicle is running normally, an old O2 sensor is the likely culprit. In this situation, it could mean that the car is running normally, but because the engine isn’t receiving the information, it triggers a warning. Even if the vehicle feels fine, you should get your car diagnosed ASAP to rule out any potential larger problems.

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Schedule Service for a Buick GMC In Houston

Beck & Masten Buick GMC North is your ideal destination for all your auto service needs in Houston. Our friendly staff is ready to get you and your vehicle back on the road safely, no matter its make or model. Schedule your next auto service with us in person or online.

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Beck & Masten North 29.9293, -95.5914.