Why does the check engine light in my Grand Prix 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 Grand Prix firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Are Pontiac Grand Prix engine noises bad?

Strange engine sounds can be a sign something’s off in your Pontiac Grand Prix. 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 be traced back to a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my Pontiac Grand Prix engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still 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 add water to my Pontiac Grand Prix radiator?

While it’s not recommended, you can use water in your Grand Prix 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 could cause my Grand Prix engine to suddenly stop?

Your Grand Prix car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who can repair my Pontiac Grand Prix engine?

Your local Firestone Complete Auto Care has you covered with expert Grand Prix engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Engine Repairs for Your 2004 Pontiac Grand Prix

Learn about

2004 Pontiac Grand Prix Trim Options

Select your Pontiac Grand Prix trim level to learn more about Pontiac-recommended engine repair. Use the following chart to find information.

V6/3.8L

2004 Pontiac Grand Prix Repair

Nothing stays the same forever. Even your Pontiac Grand Prix’s engine parts and components will change. When something breaks, we're ready. Select a repair or category to learn more about 2004 Pontiac Grand Prix services.

We’re Trained to Care for Pontiac Grand Prix Engines

The Pontiac Grand Prix is respected for its reliability. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Things can go sideways sometimes. If they do, you’ll have to find a dependable 2004 Pontiac 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 Pontiac Grand Prix engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Check Engine Light on 2004 Pontiac Grand Prix

An illuminated check engine light on your Pontiac Grand Prix is one of the first signs it's time to 'brake' for engine service. A check engine light that’s on or flashing could be a symptom of a serious problem in your car’s ignition, Potential causes may include a faulty oxygen sensor, bad spark plug, a clogged catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your Grand Prix in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. rattling sounds, burning smells, or engine misfiring.

Pontiac Grand Prix Engine Repair

If your 2004 Grand Prix engine needs repairs, 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. Turn to Firestone Complete Auto Care for your 2004 Grand Prix engine repairs and you can drive easy knowing that we use Pontiac-approved parts and fluids — serpentine belt, motor oil seal, sensors, or another part.

Engine Q&A 2004 Pontiac Grand Prix

Why does the check engine light in my Grand Prix 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 Grand Prix firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Are Pontiac Grand Prix engine noises bad? Strange engine sounds can be a sign something’s off in your Pontiac Grand Prix. 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 be traced back to a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my Pontiac Grand Prix engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still 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 add water to my Pontiac Grand Prix radiator? While it’s not recommended, you can use water in your Grand Prix 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 could cause my Grand Prix engine to suddenly stop? Your Grand Prix car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who can repair my Pontiac Grand Prix engine? Your local Firestone Complete Auto Care has you covered with expert Grand Prix engine repair. Schedule an appointment today and see us at one of our thousands of locations.