Why does my G5’s check engine light come on when I start it?

It's okay if your check engine light comes on when you first start your vehicle. This is just your G5 testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why does my Pontiac engine sound different?

Unusual noises can signal a problem with your Pontiac G5 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 be traced back to 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 G5 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. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Is it okay to put water in my Pontiac G5 radiator?

It’s not recommended you put water in your G5 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 G5 to suddenly stop?

Your G5 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who repairs Pontiac G5 engines?

Your local Firestone Complete Auto Care has you covered with expert G5 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

2008 Pontiac G5 Engine Repair

Learn about

2008 Pontiac G5 Trim Options

Select your Pontiac G5 trim level to learn more about Pontiac-recommended engine repair. Use the following chart to find information.

L4/2.2L

L4/2.4L

Repairs for Your 2008 Pontiac G5

Nothing stays the same forever. Even your Pontiac G5’s engine parts and components will change. When something breaks, we're ready. Select a repair or category to learn more about 2008 Pontiac G5 services.

We’re Trained to Care for Pontiac G5 Engines

The Pontiac G5 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. Things can go wrong on the road. If the unexpected strikes, you may search the internet frantically for quick and affordable 2008 Pontiac G5 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 G5 engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

My 2008 Pontiac G5 Check Engine Light Is On

As soon as your G5 check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s on or flashing could be a symptom of a serious problem in your or emission control system that won’t go away on its own. Possible causes can include a failing oxygen sensor, worn spark plug, a problem with your catalytic converter, or an engine vacuum leak, to name a few potential sources. Bring your G5 in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. engine rattling, burning smells, or engine misfiring.

Pontiac G5 Engine Repair

If your 2008 G5 engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We don't start working until we have your approval. 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 seek to give you all the info you need to make a smart decision about our services. By choosing Firestone Complete Auto Care for G5 engine repairs and you can feel confident knowing that we use Pontiac-approved parts and components like the timing belt, valve guide seal, sensors, or other parts.

Engine Q&A 2008 Pontiac G5

Why does my G5’s check engine light come on when I start it? It's okay if your check engine light comes on when you first start your vehicle. This is just your G5 testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why does my Pontiac engine sound different? Unusual noises can signal a problem with your Pontiac G5 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 be traced back to 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 G5 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. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Is it okay to put water in my Pontiac G5 radiator? It’s not recommended you put water in your G5 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 G5 to suddenly stop? Your G5 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who repairs Pontiac G5 engines? Your local Firestone Complete Auto Care has you covered with expert G5 engine repair. Schedule an appointment today and see us at one of our thousands of locations.