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

It’s usually normal for your check engine light to turn on upon ignition. It’s just your Prius firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why is my Toyota Prius making engine noise?

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

What could damage my Toyota Prius engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car is in Park, or slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I use water in my Toyota Prius radiator?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.

Why did my Prius engine suddenly stop?

Your Prius 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 Toyota Prius repair?

For Toyota Prius engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.

Reliable Repairs for 2011 Toyota Prius Engines

Learn about

2011 Toyota Prius Trim Options

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

L4/1.8L

2011 Toyota Prius Repair

Nothing stays the same forever. Even your Toyota Prius’s engine parts and components will change. When something breaks, we're ready. Select a service or repair below to learn more about what we can do for your 2011 Toyota Prius.

We Know Toyota Prius Engines

The Toyota Prius 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 they do, you’ll have to find a dependable 2011 Toyota service center — quick! That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know Toyota Prius engines. Schedule a courtesy inspection at the first sign of engine trouble. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

My 2011 Toyota Prius Check Engine Light Is On

As soon as your Prius 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 injection, Potential causes may include a faulty oxygen sensor, bad spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, but that's only a few of the possible causes. Stop by your local Firestone Complete Auto Care to get your Prius issues diagnosed and we'll determine exactly why your check engine light is on. engine pinging noises, burning smells, or engine misfiring.

2011 Prius Engine Services

If your 2011 Prius engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We don't start working until we have your approval. If a repair isn’t urgent right now, we’ll let 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. By choosing Firestone Complete Auto Care for Prius engine repairs and you can feel confident knowing that we use Toyota-approved parts and components like the serpentine belt, valve guide seal, sensors, or another part.

2011 Toyota Prius Engine Q&A

Why does the check engine light come on when I start my Prius? It’s usually normal for your check engine light to turn on upon ignition. It’s just your Prius firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why is my Toyota Prius making engine noise? Unusual noises can signal a problem with your Toyota Prius engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my Toyota Prius engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car is in Park, or slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I use water in my Toyota Prius radiator? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.
Why did my Prius engine suddenly stop? Your Prius 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 Toyota Prius repair? For Toyota Prius engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.