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

Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your G5 firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Are Pontiac G5 engine noises bad?

Strange under-the-hood noises can point to problems within 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 may be caused by 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 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. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

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 a G5 engine to suddenly stop?

If your G5 car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Who repairs Pontiac G5 engines?

For Pontiac G5 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.

Engine Repairs for Your 2007 Pontiac G5

Learn about

2007 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

2007 Pontiac G5 Repair

Nothing lasts forever. Even your Pontiac G5's many parts and pieces. 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 2007 Pontiac G5.

We Care for Pontiac G5 Engines

Pontiac G5 drivers trust that their G5 will take them near and far. You probably thought about that when you got it. 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 2007 Pontiac service center — quick! That's when it's time to head to Firestone Complete Auto Care. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Pontiac G5 engine will be in good hands. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

My 2007 Pontiac G5 Check Engine Light Is On

An illuminated check engine light on your Pontiac G5 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 or emission system that won't go away on its own. Causes may include a faulty oxygen sensor, worn spark plug, a clogged catalytic converter, or a leak in the engine vacuum, but that's only a few of the possible causes. Stop by your local Firestone Complete Auto Care to get your G5 issues diagnosed and we'll determine exactly why your check engine light is on. Other signs your Pontiac G5 engine needs some TLC are oil leaks, or engine misfiring.

2007 G5 Engine Services

If your 2007 Pontiac G5 needs engine repair, 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 want to give you all the details you need to make an informed decision about your engine repairs. Choose Firestone Complete Auto Care for Pontiac G5 engine repairs and you can feel good knowing that we only use Pontiac-compliant replacement parts such as the cambelt, engine oil seal, ignition coil, or a different component.

Engine Q&A 2007 Pontiac G5

Why does my G5’s check engine light come on when I start it? Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your G5 firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Are Pontiac G5 engine noises bad? Strange under-the-hood noises can point to problems within 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 may be caused by 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 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. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
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 a G5 engine to suddenly stop? If your G5 car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Who repairs Pontiac G5 engines? For Pontiac G5 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.