Why does the check engine light in my 98 turn on when I start my car?

It's okay if your check engine light comes on when you first start your vehicle. This is a sign that your vehicle is 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 Oldsmobile 98 making engine noise?

Strange engine sounds can be a sign something’s off in your Oldsmobile 98. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

What could damage a Oldsmobile engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Oldsmobile 98 engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' 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.

Can I add water to my Oldsmobile 98 radiator?

While it’s not recommended, you can use water in your 98 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.

What can cause a 98 engine to suddenly stop?

Your 98 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who repairs Oldsmobile 98 engines?

For Oldsmobile 98 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.

Reliable Repairs for 1986 Oldsmobile 98 Engines

Learn about

1986 Oldsmobile 98 Trim Options

Select your Oldsmobile 98 trim level to learn more about Oldsmobile-recommended engine repair. Use the following chart to find information.

V6/3.8L

1986 Oldsmobile 98 Repair

Nothing stays the same forever. Even your Oldsmobile 98'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 1986 Oldsmobile 98.

We’re Trained to Care for Oldsmobile 98 Engines

The Oldsmobile 98 is respected for its reliability. You may have even been thinking about that when you bought it. Even so, pieces and parts can break down over time. Sometimes plans go sideways. If they do, you’ll have to find a dependable 1986 Oldsmobile service center — quick! 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 Oldsmobile 98 engines. 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.

Check Engine Light on 1986 Oldsmobile 98

An illuminated check engine light on your Oldsmobile 98 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 car’s starter, Possible causes can include a failing oxygen sensor, damaged spark plug, a clogged catalytic converter, or a leak in the engine vacuum, to name a few potential sources. Bring your 98 in for an on-board diagnostic check and our expert techs will get the root of the problem. Other signs your Oldsmobile 98 engine needs some TLC are essential fluid leaks, or engine misfiring.

Oldsmobile 98 Engine Repair

If your 1986 98 engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We never do any work without your sign-off. If a repair can wait, we'll let you know. We'll also tell you if it's necessary for your safety. We want to provide you with the information you need to make an informed engine repair decision. Turn to Firestone Complete Auto Care for your 1986 98 engine repairs and you can drive easy knowing that we use Oldsmobile-approved parts and fluids — timing belt, valve guide seal, sensors, or other parts.

1986 Oldsmobile 98 Engine Q&A

Why does the check engine light in my 98 turn on when I start my car? It's okay if your check engine light comes on when you first start your vehicle. This is a sign that your vehicle is 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 Oldsmobile 98 making engine noise? Strange engine sounds can be a sign something’s off in your Oldsmobile 98. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage a Oldsmobile engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Oldsmobile 98 engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' 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.
Can I add water to my Oldsmobile 98 radiator? While it’s not recommended, you can use water in your 98 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.
What can cause a 98 engine to suddenly stop? Your 98 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who repairs Oldsmobile 98 engines? For Oldsmobile 98 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.