Why does the check engine light come on when I start my Grand Prix?

It's okay if your check engine light comes on when you first start your vehicle. 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 is my Pontiac Grand Prix making engine noise?

Strange under-the-hood noises can point to problems within your Pontiac Grand Prix engine. Knocking or tapping could be a symptom of low 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 could be a sign that something is wrong with your brakes — not the engine.

What could damage my Pontiac Grand Prix engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle is in Park, or slamming the gas pedal while the engine is still cold. 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 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.

Why did my Grand Prix engine suddenly stop?

Reasons your Grand Prix car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

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.

1999 Pontiac Grand Prix Engine Repair

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1999 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.

V6/3.1L

V6/3.8L

Repairs for Your 1999 Pontiac Grand Prix

Nothing lasts forever. Even your Pontiac Grand Prix's many parts and pieces. We’re here to help when something stops working. Click on a repair below to learn more about 1999 Pontiac Grand Prix repairs.

We Care for Pontiac Grand Prix Engines

Pontiac Grand Prix drivers trust that their Grand Prix 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. Sometimes plans go sideways. If the unexpected strikes, you may search the internet frantically for quick and affordable 1999 Pontiac Grand Prix engine repairs. 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. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

My 1999 Pontiac Grand Prix Check Engine Light Is On

As soon as your Grand Prix check engine light turns on, it’s time to get an expert’s opinion. A steady or flashing check engine light could signal a serious issue with your fuel injection, Possible causes can include a failing oxygen sensor, damaged spark plug, a clogged catalytic converter, or an engine vacuum leak, to name a few potential sources. Bring your Grand Prix in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. Other signs your Pontiac Grand Prix engine needs some TLC are essential fluid leaks, or a sinking feeling that something’s wrong.

Pontiac Grand Prix Engine Repair

If your 1999 Pontiac Grand Prix needs engine repair, our technicians will provide you with a thorough explanation beforehand. We make recommendations, but you make the final decision. If a repair isn’t urgent right now, we’ll let 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. Turn to Firestone Complete Auto Care for your 1999 Grand Prix engine repairs and you can feel confident knowing that we use Pontiac-approved parts and components like the timing chain or belt, valve guide seal, fuses, or another part.

1999 Pontiac Grand Prix Engine Q&A

Why does the check engine light come on when I start my Grand Prix? It's okay if your check engine light comes on when you first start your vehicle. 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 is my Pontiac Grand Prix making engine noise? Strange under-the-hood noises can point to problems within your Pontiac Grand Prix engine. Knocking or tapping could be a symptom of low 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 could be a sign that something is wrong with your brakes — not the engine.
What could damage my Pontiac Grand Prix engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle is in Park, or slamming the gas pedal while the engine is still cold. 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 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.
Why did my Grand Prix engine suddenly stop? Reasons your Grand Prix car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
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.