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

It’s usually normal for your check engine light to turn on upon ignition. It’s just your Bonneville firing up 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 under-the-hood noises can point to problems within your Pontiac Bonneville engine. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my Pontiac Bonneville 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 pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.

Can I 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 the engine in my Bonneville 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.

Who fixes Pontiac Bonneville engines?

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

1994 Pontiac Bonneville Engine Repair

Learn about

1994 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

Pontiac Bonneville Repairs and Services

Nothing lasts forever. Even your Pontiac Bonneville’s engine parts and components will change. 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 1994 Pontiac Bonneville.

We Know Pontiac Bonneville Engines

The Pontiac Bonneville is respected for its reliability. You probably thought about that when you got it. However, even your trustworthy engine is subject to wear and tear. Things can go sideways sometimes. If they do, you’ll have to find a dependable 1994 Pontiac service center — quick! That’s where Firestone Complete Auto Care comes in. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Pontiac Bonneville engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Check Engine Light on 1994 Pontiac Bonneville

If your Bonneville 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 fuel, Potential causes may include a faulty oxygen sensor, bad spark plug, issues with your catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Bring your Bonneville in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. rattling sounds, oil leaks, or misfiring.

Engine Repairs for Your 1994 Bonneville

If your 1994 Pontiac Bonneville needs engine repair, 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 repair can wait, we'll let you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We want to provide you with the information you need to make an informed engine repair decision. 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, ignition coil, or another part.

1994 Pontiac Bonneville Engine Q&A

Why does the check engine light in my Bonneville turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. It’s just your Bonneville firing up 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 under-the-hood noises can point to problems within your Pontiac Bonneville engine. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my Pontiac Bonneville 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 pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.
Can I 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 the engine in my Bonneville 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.
Who fixes Pontiac Bonneville engines? Your local Firestone Complete Auto Care offers Pontiac Bonneville engine repair. Schedule an appointment today at one of our thousands of locations nationwide!