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

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your Horizon testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Are Plymouth Horizon engine noises bad?

Strange engine sounds can be a sign something’s off in your Plymouth Horizon. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage a Plymouth engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Plymouth Horizon 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 accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.

Is it okay to put water in my Plymouth Horizon 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 Horizon when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause a Horizon engine to suddenly stop?

Reasons your Horizon car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Where can I go for Plymouth Horizon repair?

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

Reliable Repairs for 1986 Plymouth Horizon Engines

Learn about

1986 Plymouth Horizon Trim Options

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

L4/1.6L

L4/2.2L

Repairs for Your 1986 Plymouth Horizon

Nothing lasts forever. Even your Plymouth Horizon’s engine parts and components will change. 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 Plymouth Horizon.

We Care for Plymouth Horizon Engines

Plymouth Horizon engines are known for their reliability. That might be why you bought it in the first place. However, the wear-proof engine has yet to be invented! Sometimes plans go sideways. When they do, you might find yourself searching for 1986 Plymouth Horizon 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 Plymouth Horizon engines. 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 1986 Plymouth Horizon

As soon as your Horizon check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s flashing or steadily illuminated could point to problems with your car’s ignition, Causes may include a faulty oxygen sensor, worn spark plug, issues with your catalytic converter, or a leak in the engine vacuum, but that's only a few of the possible causes. Stop by your local Firestone Complete Auto Care to get your Horizon issues diagnosed and our expert techs will get the root of the problem. engine pinging noises, essential fluid leaks, or engine misfiring.

Plymouth Horizon Engine Repair

When your Plymouth Horizon engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We don't start working until we have your approval. 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. Choose Firestone Complete Auto Care for Plymouth Horizon engine repairs and you can drive easy knowing that we use Plymouth-approved parts and fluids — timing chain or belt, motor oil seal, fuses, or a different component.

Engine Q&A 1986 Plymouth Horizon

Why does my Horizon’s check engine light come on when I start it? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your Horizon testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Are Plymouth Horizon engine noises bad? Strange engine sounds can be a sign something’s off in your Plymouth Horizon. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage a Plymouth engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Plymouth Horizon 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 accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.
Is it okay to put water in my Plymouth Horizon 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 Horizon when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause a Horizon engine to suddenly stop? Reasons your Horizon car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Where can I go for Plymouth Horizon repair? Your local Firestone Complete Auto Care fixes Plymouth Horizon engines. Book an appointment today! We have thousands of locations across the country.