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

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your Sienna testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Are Toyota Sienna engine noises bad?

Strange under-the-hood noises can point to problems within your Toyota Sienna engine. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal 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 Toyota Sienna 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 pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I add water to my Toyota Sienna 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.

What can cause a Sienna engine to suddenly stop?

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

Where can I go for Toyota Sienna repair?

For Toyota Sienna 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.

2019 Toyota Sienna Engine Repair

Learn about

2019 Toyota Sienna Trim Options

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

V6/3.5L

Repairs for Your 2019 Toyota Sienna

Nothing stays the same forever. Even your Toyota Sienna’s engine parts and components will change. When something breaks, we're ready. Select a repair or category to learn more about 2019 Toyota Sienna services.

We Know Toyota Sienna Engines

Toyota Sienna engines are known for their reliability. You may have even been thinking about that when you bought it. Even so, pieces and parts can break down over time. Things can go sideways sometimes. When they do, you might find yourself searching for 2019 Toyota Sienna engine repair or replacement parts. That's when it's time to head to Firestone Complete Auto Care. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Toyota Sienna engines. 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 2019 Toyota Sienna

If your Sienna check engine light is on, it’s time to get it looked at. A check engine light that’s flashing or steadily illuminated could point to problems with your vehicle's ignition, Possible causes can include a failing oxygen sensor, bad spark plug, a clogged catalytic converter, or an engine vacuum leak, to name a few possible causes. Bring your Sienna in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. engine pinging noises, essential fluid leaks, or engine misfiring.

Engine Repairs for Your 2019 Sienna

When your Toyota Sienna engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We make recommendations, but you make the final decision. 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 give you all the details you need to make an informed decision about your engine repairs. Turn to Firestone Complete Auto Care for your 2019 Sienna engine repairs and you can feel confident knowing that we use Toyota-approved parts and components like the timing chain or belt, oil gasket, sensors, or other parts.

Engine Q&A 2019 Toyota Sienna

Why does the check engine light come on when I start my Sienna? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your Sienna testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Are Toyota Sienna engine noises bad? Strange under-the-hood noises can point to problems within your Toyota Sienna engine. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal 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 Toyota Sienna 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 pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I add water to my Toyota Sienna 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.
What can cause a Sienna engine to suddenly stop? Reasons your Sienna car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Where can I go for Toyota Sienna repair? For Toyota Sienna 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.