Why does the check engine light come on when I start my Sierra 1500?

Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why does my GMC engine sound different?

Strange under-the-hood noises can point to problems within your GMC Sierra 1500 engine. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

What could damage a GMC engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your GMC Sierra 1500 engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still in Park, or accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I put water in my GMC Sierra 1500 radiator?

While it’s not recommended, you can use water in your Sierra 1500 radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.

What can cause a Sierra 1500 engine to suddenly stop?

Reasons your Sierra 1500 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who repairs GMC Sierra 1500 engines?

Your local Firestone Complete Auto Care offers GMC Sierra 1500 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Reliable Repairs for 2018 GMC Sierra 1500 Engines

Learn about

2018 GMC Sierra 1500 Trim Options

Select your GMC Sierra 1500 trim level to learn more about GMC-recommended engine repair. Use the following chart to find information.

V6/4.3L

V8/5.3L

V8/6.2L

Repairs for Your 2018 GMC Sierra 1500

Nothing stays the same forever. Even your GMC Sierra 1500's many parts and pieces. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 2018 GMC Sierra 1500 services.

We Know GMC Sierra 1500 Engines

GMC Sierra 1500 engines are known for their reliability. That might be why you bought it in the first place. However, even your trustworthy engine is subject to wear and tear. Sometimes plans go sideways. If the unexpected strikes, you may search the internet frantically for quick and affordable 2018 GMC Sierra 1500 engine repairs. That's when it's time to head to Firestone Complete Auto Care. We've serviced more than 500 million vehicles since 1926, and our technicians know GMC Sierra 1500 engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Illuminated Check Engine Light on 2018 GMC Sierra 1500

As soon as your Sierra 1500 check engine light turns on, it’s time to get an expert’s opinion. A steady or flashing check engine light could signal a serious issue with your car’s starter, Possible causes can include a failing oxygen sensor, worn spark plug, a problem with your catalytic converter, or an engine vacuum leak, to name a few potential sources. Stop by your local Firestone Complete Auto Care to get your Sierra 1500 issues diagnosed and our expert techs will get the root of the problem. engine pinging noises, essential fluid leaks, or engine misfiring.

Engine Repairs for Your 2018 Sierra 1500

If your 2018 GMC Sierra 1500 needs engine repair, our technicians will provide you with a thorough explanation beforehand. We don't start working until we have your approval. If a repair isn’t urgent right now, we’ll let you know. We'll also tell you if it's necessary for your safety. We want to give you all the details you need to make an informed decision about your engine repairs. Choose Firestone Complete Auto Care for GMC Sierra 1500 engine repairs and you can drive easy knowing that we use GMC-approved parts and fluids — timing belt, engine oil seal, ignition coil, or a different component.

Engine Q&A 2018 GMC Sierra 1500

Why does the check engine light come on when I start my Sierra 1500? Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why does my GMC engine sound different? Strange under-the-hood noises can point to problems within your GMC Sierra 1500 engine. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage a GMC engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your GMC Sierra 1500 engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still in Park, or accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I put water in my GMC Sierra 1500 radiator? While it’s not recommended, you can use water in your Sierra 1500 radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.
What can cause a Sierra 1500 engine to suddenly stop? Reasons your Sierra 1500 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who repairs GMC Sierra 1500 engines? Your local Firestone Complete Auto Care offers GMC Sierra 1500 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!