Why does the check engine light in my Grand Prix turn on when I start my car?

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?

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. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my Pontiac Grand Prix engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.

Can I add water to my Pontiac Grand Prix radiator?

An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your Grand Prix when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause a Grand Prix engine 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 fixes Pontiac Grand Prix engines?

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

1985 Pontiac Grand Prix Engine Repair

Learn about

1985 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

V8/5.0L

Pontiac Grand Prix Repairs and Services

Nothing lasts forever. Even your Pontiac Grand Prix's many parts and pieces. When something breaks, we're ready. Select a service or repair below to learn more about what we can do for your 1985 Pontiac Grand Prix.

We’re Trained to Care for Pontiac Grand Prix Engines

The Pontiac Grand Prix is respected for its reliability. You probably thought about that when you got it. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. When they do, you might find yourself searching for 1985 Pontiac Grand Prix engine repair or replacement parts. That’s where Firestone Complete Auto Care comes in. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Pontiac Grand Prix engines. 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 1985 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 or emission control system that won’t go away on its own. Possible causes can include a failing oxygen sensor, damaged spark plug, a problem with your catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your Grand Prix to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. engine rattling, burning smells, or misfiring.

1985 Grand Prix Engine Services

When your Pontiac Grand Prix engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We make recommendations, but you make the final decision. If a repair can wait, we'll let you know. We'll also tell you if it's necessary for your safety. We seek to give you all the info you need to make a smart decision about our services. Turn to Firestone Complete Auto Care for your 1985 Grand Prix engine repairs and you can feel good knowing that we only use Pontiac-compliant replacement parts such as the cambelt, valve guide seal, sensors, or other parts.

Questions About 1985 Pontiac Grand Prix Engines

Why does the check engine light in my Grand Prix turn on when I start my car? 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? 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. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my Pontiac Grand Prix engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.
Can I add water to my Pontiac Grand Prix radiator? An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your Grand Prix when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause a Grand Prix engine 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 fixes Pontiac Grand Prix engines? Your local Firestone Complete Auto Care has you covered with expert Grand Prix engine repair. Schedule an appointment today and see us at one of our thousands of locations.