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. 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. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. 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 Pontiac Bonneville engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.

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

While it’s not recommended, you can use water in your Bonneville radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.

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.

Reliable Repairs for 1988 Pontiac Bonneville Engines

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1988 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

1988 Pontiac Bonneville Repair

Stuff wears out. Even your Pontiac Bonneville's many parts and pieces. When something breaks, we're ready. Click on a repair below to learn more about 1988 Pontiac Bonneville repairs.

We Care for Pontiac Bonneville Engines

Pontiac Bonneville drivers trust that their Bonneville will take them near and far. You probably thought about that when you got it. 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 1988 Pontiac Bonneville engine repairs. Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Pontiac Bonneville engine will be in good hands. 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.

Illuminated Check Engine Light on 1988 Pontiac Bonneville

If your Bonneville check engine light is on, it’s time to get it looked at. A check engine light that’s on or flashing could be a symptom of a serious problem in your car’s starter, Potential causes may include a faulty oxygen sensor, bad spark plug, a clogged catalytic converter, or an engine vacuum leak, to name a few potential sources. Stop by your local Firestone Complete Auto Care to get your Bonneville issues diagnosed and we’ll figure out why that check engine light is giving you grief. engine pinging noises, essential fluid leaks, or misfiring.

Engine Repairs for Your 1988 Bonneville

If your 1988 Bonneville engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We never do any work without your sign-off. If a repair can wait, 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. Turn to Firestone Complete Auto Care for your 1988 Bonneville engine repairs and you can feel good knowing that we only use Pontiac-compliant replacement parts such as the serpentine belt, engine oil seal, ignition coil, or other parts.

1988 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. 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. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. 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 Pontiac Bonneville engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.
Is it okay to put water in my Pontiac Bonneville radiator? While it’s not recommended, you can use water in your Bonneville radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.
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.