Why does my Bonneville’s check engine light come on when I start it?

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your Bonneville 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 Pontiac Bonneville making engine noise?

Strange engine sounds can be a sign something’s off in your Pontiac Bonneville. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my Pontiac Bonneville 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 slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.

Is it okay to put water in my Pontiac Bonneville radiator?

It’s not recommended you put water in your Bonneville 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 a Bonneville engine to suddenly stop?

Reasons your Bonneville 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 Pontiac Bonneville repair?

For Pontiac Bonneville 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.

1984 Pontiac Bonneville Engine Repair

Learn about

1984 Pontiac Bonneville Trim Options

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

V6/3.8L

V8/5.0L

V8/5.7L

Repairs for Your 1984 Pontiac Bonneville

Stuff wears out. Even your Pontiac Bonneville's many parts and pieces. When something breaks or fails, we’re ready to help. Click on a repair below to learn more about 1984 Pontiac Bonneville repairs.

We’re Trained to Care for Pontiac Bonneville Engines

The Pontiac Bonneville is respected for its reliability. That might be why you bought it in the first place. However, even your trustworthy engine is subject to wear and tear. Sometimes plans go sideways. If the unexpected strikes, you may search the internet frantically for quick and affordable 1984 Pontiac Bonneville engine repairs. Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Pontiac Bonneville engines. 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 1984 Pontiac Bonneville

As soon as your Bonneville 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 or emission system, and it won’t go away by ignoring it. Causes may include a faulty oxygen sensor, worn spark plug, issues with your catalytic converter, or a leak in the engine vacuum, to name a few possible causes. Bring your Bonneville to Firestone Complete Auto Care to get computerized diagnostics and we’ll figure out why that check engine light is giving you grief. engine rattling, oil leaks, or engine misfiring.

Engine Repairs for Your 1984 Bonneville

When your Pontiac Bonneville engine needs repairs, our technicians will provide you with a thorough explanation beforehand. 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 seek to give you all the info you need to make a smart decision about our services. By choosing Firestone Complete Auto Care for Bonneville engine repairs and you can feel confident knowing that we use Pontiac-approved parts and components like the cambelt, oil gasket, sensors, or other parts.

Questions About 1984 Pontiac Bonneville Engines

Why does my Bonneville’s check engine light come on when I start it? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your Bonneville 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 Pontiac Bonneville making engine noise? Strange engine sounds can be a sign something’s off in your Pontiac Bonneville. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my Pontiac Bonneville 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 slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.
Is it okay to put water in my Pontiac Bonneville radiator? It’s not recommended you put water in your Bonneville 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 a Bonneville engine to suddenly stop? Reasons your Bonneville 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 Pontiac Bonneville repair? For Pontiac Bonneville 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.