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

It’s usually normal for your check engine light to turn on upon ignition. This is a sign that your vehicle is testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why is my Pontiac Grand Prix making engine noise?

Unusual noises can signal a problem with your Pontiac Grand Prix engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my Pontiac Grand Prix engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.

Can I use water in my Pontiac Grand Prix radiator?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.

Why did my Grand Prix engine suddenly stop?

If your Grand Prix 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 fixes Pontiac Grand Prix engines?

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

Reliable Repairs for 1990 Pontiac Grand Prix Engines

Learn about

1990 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.

L4/2.3L

V6/3.1L

Pontiac Grand Prix Repairs and Services

Nothing lasts forever. Even your Pontiac Grand Prix’s engine parts and components will change. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 1990 Pontiac Grand Prix services.

We Know Pontiac Grand Prix Engines

Pontiac Grand Prix 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 the unexpected strikes, you may search the internet frantically for quick and affordable 1990 Pontiac Grand Prix 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 more than 500 million vehicles since 1926, and our technicians know Pontiac Grand Prix engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Check Engine Light on 1990 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 steady or flashing check engine light could signal a serious issue with your vehicle's ignition, Possible causes can include a failing oxygen sensor, worn spark plug, issues with your catalytic converter, or a leak in the engine vacuum, to name a few possible causes. Bring your Grand Prix in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. engine rattling, essential fluid leaks, or misfiring.

Pontiac Grand Prix Engine Repair

If your 1990 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 make recommendations, but you make the final decision. If a service can wait, we’ll make sure you know. If it's necessary for your safety, we'll make sure you understand that, too. We want to provide you with the information you need to make an informed engine repair decision. By choosing Firestone Complete Auto Care for Grand Prix engine repairs and you can drive easy knowing that we use Pontiac-approved parts and fluids — cambelt, engine oil seal, fuses, or a different component.

1990 Pontiac Grand Prix Engine Q&A

Why does the check engine light come on when I start my Grand Prix? It’s usually normal for your check engine light to turn on upon ignition. This is a sign that your vehicle is testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why is my Pontiac Grand Prix making engine noise? Unusual noises can signal a problem with your Pontiac Grand Prix engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my Pontiac Grand Prix engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.
Can I use water in my Pontiac Grand Prix radiator? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.
Why did my Grand Prix engine suddenly stop? If your Grand Prix 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 fixes Pontiac Grand Prix engines? Your local Firestone Complete Auto Care offers Pontiac Grand Prix engine repair. Schedule an appointment today at one of our thousands of locations nationwide!