Why does the check engine light in my Blazer turn on when I start my car?

It’s usually normal for your check engine light to turn on upon ignition. This is just your Blazer testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my Chevrolet engine sound different?

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

What could damage my Chevrolet Blazer 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. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I add water to my Chevrolet Blazer radiator?

While it’s not recommended, you can use water in your Blazer 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 the engine in my Blazer to suddenly stop?

If your Blazer car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Who can repair my Chevrolet Blazer engine?

Your local Firestone Complete Auto Care has you covered with expert Blazer engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Engine Repairs for Your 2004 Chevrolet Blazer

Learn about

2004 Chevrolet Blazer Trim Options

Select your Chevrolet Blazer trim level to learn more about Chevrolet-recommended engine repair. Use the following chart to find information.

V6/4.3L

Repairs for Your 2004 Chevrolet Blazer

Nothing lasts forever. Even your Chevrolet Blazer’s engine parts and components will change. When something breaks or fails, we’re ready to help. Click on a repair below to learn more about 2004 Chevrolet Blazer repairs.

We Know Chevrolet Blazer Engines

Chevrolet Blazer drivers trust that their Blazer will take them near and far. That might be why you bought it in the first place. Even so, pieces and parts can break down over time. Things can go sideways sometimes. If they do, you’ll have to find a dependable 2004 Chevrolet service center — quick! Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Chevrolet Blazer engine will be in good hands. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Illuminated Check Engine Light on 2004 Chevrolet Blazer

An illuminated check engine light on your Chevrolet Blazer is one of the first signs it's time to 'brake' for engine service. A steady or flashing check engine light could signal a serious issue with your or emission control system that won’t go away on its own. Potential causes may include a faulty oxygen sensor, bad spark plug, a clogged catalytic converter, or an engine vacuum leak, to name a few potential sources. Stop by your local Firestone Complete Auto Care to get your Blazer issues diagnosed and we’ll figure out why that check engine light is giving you grief. Other signs it's time for Chevrolet Blazer engine service might include oil leaks, or a sinking feeling that something’s wrong.

Engine Repairs for Your 2004 Blazer

If your 2004 Chevrolet Blazer needs engine repair, our technicians will provide you with a thorough explanation beforehand. We never do any work without your sign-off. If a service can wait, we’ll make sure you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. 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 Chevrolet Blazer engine repairs and you can drive easy knowing that we use Chevrolet-approved parts and fluids — timing chain or belt, motor oil seal, fuses, or a different component.

Engine Q&A 2004 Chevrolet Blazer

Why does the check engine light in my Blazer turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. This is just your Blazer testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Chevrolet engine sound different? Strange under-the-hood noises can point to problems within your Chevrolet Blazer engine. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage my Chevrolet Blazer 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. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I add water to my Chevrolet Blazer radiator? While it’s not recommended, you can use water in your Blazer 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 the engine in my Blazer to suddenly stop? If your Blazer car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Who can repair my Chevrolet Blazer engine? Your local Firestone Complete Auto Care has you covered with expert Blazer engine repair. Schedule an appointment today and see us at one of our thousands of locations.