Why does the check engine light in my 911 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 just your 911 testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my Porsche engine sound different?

Unusual noises can signal a problem with your Porsche 911 engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have 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 Porsche 911 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. 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 Porsche 911 radiator?

While it’s not recommended, you can use water in your 911 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 911 engine to suddenly stop?

Your 911 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who fixes Porsche 911 engines?

Your local Firestone Complete Auto Care offers Porsche 911 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Reliable Repairs for 1990 Porsche 911 Engines

Learn about

1990 Porsche 911 Trim Options

Select your Porsche 911 trim level to learn more about Porsche-recommended engine repair. Use the following chart to find information.

H6/3.6L

Repairs for Your 1990 Porsche 911

Nothing stays the same forever. Even your Porsche 911'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 1990 Porsche 911.

We Care for Porsche 911 Engines

Porsche 911 engines are known for their reliability. You may have even been thinking about that when you bought it. However, even your trustworthy engine is subject to wear and tear. Things can go wrong on the road. When they do, you might find yourself searching for 1990 Porsche 911 engine repair or replacement parts. That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know Porsche 911 engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

My 1990 Porsche 911 Check Engine Light Is On

An illuminated check engine light on your Porsche 911 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 vehicle's ignition, Possible causes can include a failing oxygen sensor, bad spark plug, a problem with your catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Bring your 911 in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. Other signs it's time for Porsche 911 engine service might include burning smells, or engine misfiring.

Engine Repairs for Your 1990 911

When your Porsche 911 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. 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. By choosing Firestone Complete Auto Care for 911 engine repairs and you can drive easy knowing that we use Porsche-approved parts and fluids — timing belt, motor oil seal, ignition coil, or another part.

1990 Porsche 911 Engine Q&A

Why does the check engine light in my 911 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 just your 911 testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Porsche engine sound different? Unusual noises can signal a problem with your Porsche 911 engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have 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 Porsche 911 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. 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 Porsche 911 radiator? While it’s not recommended, you can use water in your 911 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 911 engine to suddenly stop? Your 911 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who fixes Porsche 911 engines? Your local Firestone Complete Auto Care offers Porsche 911 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!