Why does my Topaz’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 just your Topaz testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Are Mercury Topaz engine noises bad?

Unusual noises can signal a problem with your Mercury Topaz engine. Tapping or knocking could mean you need an oil change. 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 a Mercury engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercury Topaz 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 pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I put water in my Mercury Topaz 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 Topaz engine suddenly stop?

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

Who repairs Mercury Topaz engines?

For Mercury Topaz 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.

Engine Repairs for Your 1986 Mercury Topaz

Learn about

1986 Mercury Topaz Trim Options

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

L4/2.3L

Mercury Topaz Repairs and Services

Nothing stays the same forever. Even your Mercury Topaz’s engine parts and components will change. We’re here to help when something stops working. Select a service or repair below to learn more about what we can do for your 1986 Mercury Topaz.

We Know Mercury Topaz Engines

Mercury Topaz engines are known for their reliability. You probably thought about that when you got 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 Mercury service center — quick! That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know Mercury Topaz engines. Schedule an appointment if you're experiencing problems that could require engine repair. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Check Engine Light on 1986 Mercury Topaz

If your Topaz check engine light is on, it’s time to get it looked at. A check engine light that’s on or flashing could be a symptom of a serious problem in your fuel injection, Potential causes may include a faulty oxygen sensor, worn spark plug, a clogged catalytic converter, or a leak in the engine vacuum, to name a few potential sources. Stop by your local Firestone Complete Auto Care to get your Topaz issues diagnosed and we’ll figure out why that check engine light is giving you grief. engine rattling, burning smells, or a sinking feeling that something’s wrong.

Mercury Topaz Engine Repair

When your Mercury Topaz engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. 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 want to give you all the details you need to make an informed decision about your engine repairs. Choose Firestone Complete Auto Care for Mercury Topaz engine repairs and you can drive easy knowing that we use Mercury-approved parts and fluids — serpentine belt, engine oil seal, sensors, or other parts.

Engine Q&A 1986 Mercury Topaz

Why does my Topaz’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 just your Topaz testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Are Mercury Topaz engine noises bad? Unusual noises can signal a problem with your Mercury Topaz engine. Tapping or knocking could mean you need an oil change. 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 a Mercury engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercury Topaz 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 pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I put water in my Mercury Topaz 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 Topaz engine suddenly stop? Your Topaz car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who repairs Mercury Topaz engines? For Mercury Topaz 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.