Why does my Grand Marquis’s check engine light come on when I start it?

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 Mercury Grand Marquis making engine noise?

Unusual noises can signal a problem with your Mercury Grand Marquis engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. 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 Mercury Grand Marquis engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still 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 Mercury Grand Marquis radiator?

While it’s not recommended, you can use water in your Grand Marquis 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 could cause my Grand Marquis engine to suddenly stop?

There are different reasons your Grand Marquis vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.

Who can repair my Mercury Grand Marquis engine?

Your local Firestone Complete Auto Care fixes Mercury Grand Marquis engines. Book an appointment today! We have thousands of locations across the country.

Reliable Repairs for 1987 Mercury Grand Marquis Engines

Learn about

1987 Mercury Grand Marquis Trim Options

Select your Mercury Grand Marquis trim level to learn more about Mercury-recommended engine repair. Use the following chart to find information.

V8/5.0L

V8/5.8L

1987 Mercury Grand Marquis Repair

Nothing lasts forever. Even your Mercury Grand Marquis’s engine parts and components will change. We’re here to help when something stops working. Click on a repair below to learn more about 1987 Mercury Grand Marquis repairs.

We’re Trained to Care for Mercury Grand Marquis Engines

Mercury Grand Marquis 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 1987 Mercury Grand Marquis engine repairs. That’s where Firestone Complete Auto Care comes in. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Mercury Grand Marquis 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.

Illuminated Check Engine Light on 1987 Mercury Grand Marquis

As soon as your Grand Marquis 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 car’s starter, Potential causes may include a faulty oxygen sensor, worn spark plug, a clogged catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Bring your Grand Marquis in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. Other signs it's time for Mercury Grand Marquis engine service might include essential fluid leaks, or misfiring.

Engine Repairs for Your 1987 Grand Marquis

When your Mercury Grand Marquis 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 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. By choosing Firestone Complete Auto Care for Grand Marquis engine repairs and you can feel confident knowing that we use Mercury-approved parts and components like the timing chain or belt, oil gasket, ignition coil, or other parts.

Questions About 1987 Mercury Grand Marquis Engines

Why does my Grand Marquis’s check engine light come on when I start it? 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 Mercury Grand Marquis making engine noise? Unusual noises can signal a problem with your Mercury Grand Marquis engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. 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 Mercury Grand Marquis engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still 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 Mercury Grand Marquis radiator? While it’s not recommended, you can use water in your Grand Marquis 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 could cause my Grand Marquis engine to suddenly stop? There are different reasons your Grand Marquis vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.
Who can repair my Mercury Grand Marquis engine? Your local Firestone Complete Auto Care fixes Mercury Grand Marquis engines. Book an appointment today! We have thousands of locations across the country.