Why does the check engine light in my G8 turn on when I start my car?

Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my Pontiac engine sound different?

Strange under-the-hood noises can point to problems within your Pontiac G8 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 might be coming from the brakes, not the engine.

What could damage a Pontiac engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Pontiac G8 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 pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Is it okay to put water in my Pontiac G8 radiator?

While it’s not recommended, you can use water in your G8 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.

Why did my G8 engine suddenly stop?

Your G8 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 G8 engine?

Your local Firestone Complete Auto Care offers Pontiac G8 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Reliable Repairs for 2008 Pontiac G8 Engines

Learn about

2008 Pontiac G8 Trim Options

Select your Pontiac G8 trim level to learn more about Pontiac-recommended engine repair. Use the following chart to find information.

V6/3.6L

V8/6.0L

2008 Pontiac G8 Repair

Nothing stays the same forever. Even your Pontiac G8's many parts and pieces. When something breaks, we're ready. Click on a repair below to learn more about 2008 Pontiac G8 repairs.

We’re Trained to Care for Pontiac G8 Engines

Pontiac G8 engines are known for their reliability. That might be why you bought it in the first place. Even so, pieces and parts can break down over time. Things can go wrong on the road. If they do, you’ll have to find a dependable 2008 Pontiac service center — quick! 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 G8 engine will be in good hands. 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.

My 2008 Pontiac G8 Check Engine Light Is On

If your G8 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 or emission control system that won’t go away on its own. Possible causes can include a failing oxygen sensor, damaged spark plug, a problem with your catalytic converter, or an engine vacuum leak, to name a few potential sources. Bring your G8 to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. Other signs it's time for Pontiac G8 engine service might include essential fluid leaks, or engine misfiring.

2008 G8 Engine Services

When your Pontiac G8 engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We make recommendations, but you make the final decision. If a service can wait, we’ll make sure you know. We'll also tell you if it's necessary for your safety. 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 G8 engine repairs and you can drive easy knowing that we use Pontiac-approved parts and fluids — timing belt, engine oil seal, sensors, or a different component.

Questions About 2008 Pontiac G8 Engines

Why does the check engine light in my G8 turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Pontiac engine sound different? Strange under-the-hood noises can point to problems within your Pontiac G8 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 might be coming from the brakes, not the engine.
What could damage a Pontiac engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Pontiac G8 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 pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Is it okay to put water in my Pontiac G8 radiator? While it’s not recommended, you can use water in your G8 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.
Why did my G8 engine suddenly stop? Your G8 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 G8 engine? Your local Firestone Complete Auto Care offers Pontiac G8 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!