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

It's okay if your check engine light comes on when you first start your vehicle. This is a sign that your vehicle is 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 Saturn SL making engine noise?

Unusual noises can signal a problem with your Saturn SL engine. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. 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 Saturn engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Saturn SL 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 Saturn SL radiator?

It’s not recommended you put water in your SL 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.

What could cause my SL engine to suddenly stop?

There are different reasons your SL vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.

Who repairs Saturn SL engines?

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

1991 Saturn SL Engine Repair

Learn about

1991 Saturn SL Trim Options

Select your Saturn SL trim level to learn more about Saturn-recommended engine repair. Even Saturn SL parts will get older and change.

L4/1.9L

Saturn SL Repairs and Services

Nothing stays the same forever. Even your Saturn SL'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 Saturn SL repairs.

We Know Saturn SL Engines

The Saturn SL is respected for its reliability. That might be why you bought it in the first place. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 1991 Saturn SL 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 Saturn SL engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Check Engine Light on 1991 Saturn SL

As soon as your SL 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 combustion, Causes may include a faulty oxygen sensor, bad spark plug, a problem with your catalytic converter, or an engine vacuum leak, to name a few possible causes. Bring your SL to Firestone Complete Auto Care to get computerized diagnostics and we’ll figure out why that check engine light is giving you grief. Other signs your Saturn SL engine needs some TLC are essential fluid leaks, or engine misfiring.

1991 SL Engine Services

If your 1991 SL 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. If it's necessary for your safety, we'll make sure you understand that, 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 Saturn SL engine repairs and you can feel confident knowing that we use Saturn-approved parts and components like the cambelt, motor oil seal, sensors, or a different component.

Questions About 1991 Saturn SL Engines

Why does the check engine light in my SL turn on when I start my car? It's okay if your check engine light comes on when you first start your vehicle. This is a sign that your vehicle is 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 Saturn SL making engine noise? Unusual noises can signal a problem with your Saturn SL engine. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. 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 Saturn engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Saturn SL 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 Saturn SL radiator? It’s not recommended you put water in your SL 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.
What could cause my SL engine to suddenly stop? There are different reasons your SL vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.
Who repairs Saturn SL engines? Your local Firestone Complete Auto Care has you covered with expert SL engine repair. Schedule an appointment today and see us at one of our thousands of locations.