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

It’s usually normal for your check engine light to turn on upon ignition. This is just your Grand Prix 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?

Strange engine sounds can be a sign something’s off in your Pontiac Grand Prix. Tapping or knocking could mean you're low on oil. 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 Grand Prix engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car is 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.

Can I put water in my Pontiac Grand Prix radiator?

It’s not recommended you put water in your Grand Prix 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 Grand Prix 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 fixes Pontiac Grand Prix engines. Book an appointment today! We have thousands of locations across the country.

Engine Repairs for Your 2006 Pontiac Grand Prix

Learn about

2006 Pontiac Grand Prix Trim Options

Select your Pontiac Grand Prix trim level to learn more about Pontiac-recommended engine repair. Even Pontiac Grand Prix parts will get older and change.

V6/3.8L

V8/5.3L

2006 Pontiac Grand Prix Repair

Nothing stays the same forever. Even your Pontiac Grand Prix’s engine parts and components will change. We’re here to help when something stops working. Select a repair or category to learn more about 2006 Pontiac Grand Prix services.

We’re Trained to Care for Pontiac Grand Prix Engines

The Pontiac Grand Prix is respected for its 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. When they do, you might find yourself searching for 2006 Pontiac Grand Prix engine repair or replacement parts. 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 Grand Prix 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.

Check Engine Light on 2006 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 fuel injection, Causes may include a faulty oxygen sensor, bad spark plug, a problem with your catalytic converter, or an engine vacuum leak, to name a few possible causes. Bring your Grand Prix in for an on-board diagnostic check and our expert techs will get the root of the problem. Other signs your Pontiac Grand Prix engine needs some TLC are oil leaks, or a sinking feeling that something’s wrong.

2006 Grand Prix Engine Services

If your 2006 Pontiac Grand Prix needs engine repair, our technicians will make sure you understand what’s going on before they start working on your engine. We don't start working until we have your approval. If a service can wait, we’ll make sure 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. Choose Firestone Complete Auto Care for Pontiac Grand Prix engine repairs and you can drive easy knowing that we use Pontiac-approved parts and fluids — cambelt, motor oil seal, ignition coil, or a different component.

Questions About 2006 Pontiac Grand Prix Engines

Why does my Grand Prix’s check engine light come on when I start it? It’s usually normal for your check engine light to turn on upon ignition. This is just your Grand Prix 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? Strange engine sounds can be a sign something’s off in your Pontiac Grand Prix. Tapping or knocking could mean you're low on oil. 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 Grand Prix engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car is 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.
Can I put water in my Pontiac Grand Prix radiator? It’s not recommended you put water in your Grand Prix 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 Grand Prix 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 fixes Pontiac Grand Prix engines. Book an appointment today! We have thousands of locations across the country.