Why does the check engine light come on when I start my S10 Blazer?

It's okay if your check engine light comes on when you first start your vehicle. This is just your S10 Blazer testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why is my Chevrolet S10 Blazer making engine noise?

Unusual noises can signal a problem with your Chevrolet S10 Blazer engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my Chevrolet S10 Blazer engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle is in Park, or slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.

Can I use water in my Chevrolet S10 Blazer radiator?

It’s not recommended you put water in your S10 Blazer radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.

Why did my S10 Blazer engine suddenly stop?

Your S10 Blazer car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Where can I go for Chevrolet S10 Blazer repair?

Your local Firestone Complete Auto Care fixes Chevrolet S10 Blazer engines. Book an appointment today! We have thousands of locations across the country.

Engine Repairs for Your 1991 Chevrolet S10 Blazer

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1991 Chevrolet S10 Blazer Trim Options

Select your Chevrolet S10 Blazer trim level to learn more about Chevrolet-recommended engine repair. Use the following chart to find information.

V6/3.1L

V6/4.3L

1991 Chevrolet S10 Blazer Repair

Nothing lasts forever. Even your Chevrolet S10 Blazer's many parts and pieces. When something breaks or fails, we’re ready to help. Click on a repair below to learn more about 1991 Chevrolet S10 Blazer repairs.

We Care for Chevrolet S10 Blazer Engines

Chevrolet S10 Blazer drivers trust that their S10 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. Sometimes plans go sideways. If they do, you’ll have to find a dependable 1991 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 S10 Blazer engine will be in good hands. If you think something’s wrong with your engine, schedule an appointment at your convenience. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Check Engine Light on 1991 Chevrolet S10 Blazer

As soon as your S10 Blazer check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s on or flashing could be a symptom of a serious problem in your fuel, Causes may include a faulty oxygen sensor, damaged spark plug, a clogged catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your S10 Blazer to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. rattling sounds, oil leaks, or a sinking feeling that something’s wrong.

Chevrolet S10 Blazer Engine Repair

If your 1991 S10 Blazer engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We never do any work without your sign-off. If a service can wait, we’ll make sure you know. We'll also tell you if it's necessary for your safety. We want to provide you with the information you need to make an informed engine repair decision. Choose Firestone Complete Auto Care for Chevrolet S10 Blazer engine repairs and you can drive easy knowing that we use Chevrolet-approved parts and fluids — cambelt, oil gasket, ignition coil, or a different component.

Questions About 1991 Chevrolet S10 Blazer Engines

Why does the check engine light come on when I start my S10 Blazer? It's okay if your check engine light comes on when you first start your vehicle. This is just your S10 Blazer testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why is my Chevrolet S10 Blazer making engine noise? Unusual noises can signal a problem with your Chevrolet S10 Blazer engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my Chevrolet S10 Blazer engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle is in Park, or slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.
Can I use water in my Chevrolet S10 Blazer radiator? It’s not recommended you put water in your S10 Blazer radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.
Why did my S10 Blazer engine suddenly stop? Your S10 Blazer car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Where can I go for Chevrolet S10 Blazer repair? Your local Firestone Complete Auto Care fixes Chevrolet S10 Blazer engines. Book an appointment today! We have thousands of locations across the country.