Why does the check engine light come on when I start my 780?

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your 780 testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why does my Volvo engine sound different?

Unusual noises can signal a problem with your Volvo 780 engine. Tapping or knocking could mean you need an oil change. 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 Volvo engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Volvo 780 engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I put water in my Volvo 780 radiator?

It’s not recommended you put water in your 780 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 can cause the engine in my 780 to suddenly stop?

If your 780 car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Where can I go for Volvo 780 repair?

Your local Firestone Complete Auto Care offers Volvo 780 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Engine Repairs for Your 1990 Volvo 780

Learn about

1990 Volvo 780 Trim Options

Select your Volvo 780 trim level to learn more about Volvo-recommended engine repair. Use the following chart to find information.

L4/2.3L

V6/2.8L

Repairs for Your 1990 Volvo 780

Stuff wears out. Even your Volvo 780's many parts and pieces. When something breaks or fails, we’re ready to help. Select a service or repair below to learn more about what we can do for your 1990 Volvo 780.

We Know Volvo 780 Engines

Volvo 780 drivers trust that their 780 will take them near and far. You probably thought about that when you got it. 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 1990 Volvo service center — quick! Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. We've serviced more than 500 million vehicles since 1926, and our technicians know Volvo 780 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.

My 1990 Volvo 780 Check Engine Light Is On

If your 780 check engine light is on, it’s time to get it looked at. A steady or flashing check engine light could signal a serious issue with your vehicle's ignition, Possible causes can include a failing oxygen sensor, damaged spark plug, a problem with your catalytic converter, or a leaking engine vacuum, to name a few possible causes. Stop by your local Firestone Complete Auto Care to get your 780 issues diagnosed and we'll determine exactly why your check engine light is on. engine rattling, burning smells, or a sinking feeling that something’s wrong.

1990 780 Engine Services

If your 1990 Volvo 780 needs engine repair, our technicians will make sure you understand what’s going on before they start working on your engine. 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 give you all the details you need to make an informed decision about your engine repairs. By choosing Firestone Complete Auto Care for 780 engine repairs and you can feel confident knowing that we use Volvo-approved parts and components like the timing chain or belt, valve guide seal, sensors, or other parts.

1990 Volvo 780 Engine Q&A

Why does the check engine light come on when I start my 780? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your 780 testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why does my Volvo engine sound different? Unusual noises can signal a problem with your Volvo 780 engine. Tapping or knocking could mean you need an oil change. 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 Volvo engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Volvo 780 engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I put water in my Volvo 780 radiator? It’s not recommended you put water in your 780 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 can cause the engine in my 780 to suddenly stop? If your 780 car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Where can I go for Volvo 780 repair? Your local Firestone Complete Auto Care offers Volvo 780 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!