Why does the check engine light come on when I start my Protege5?

It's okay if your check engine light comes on when you first start your vehicle. It’s just your Protege5 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why is my Mazda Protege5 making engine noise?

Strange engine sounds can be a sign something’s off in your Mazda Protege5. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage a Mazda engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mazda Protege5 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.

Is it okay to put water in my Mazda Protege5 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 Protege5 engine suddenly stop?

If your Protege5 car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Who repairs Mazda Protege5 engines?

Your local Firestone Complete Auto Care has you covered with expert Protege5 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Engine Repairs for Your 2003 Mazda Protege5

Learn about

2003 Mazda Protege5 Trim Options

Select your Mazda Protege5 trim level to learn more about Mazda-recommended engine repair. Use the following chart to find information.

L4/2.0L

2003 Mazda Protege5 Repair

Nothing stays the same forever. Even your Mazda Protege5's many parts and pieces. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 2003 Mazda Protege5 services.

We Know Mazda Protege5 Engines

Mazda Protege5 engines are known for their reliability. You probably thought about that when you got it. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. If they do, you’ll have to find a dependable 2003 Mazda service center — quick! That's when it's time to head to Firestone Complete Auto Care. We've serviced more than 500 million vehicles since 1926, and our technicians know Mazda Protege5 engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Check Engine Light on 2003 Mazda Protege5

As soon as your Protege5 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 combustion, 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 possible causes. Bring your Protege5 in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. engine pinging noises, oil leaks, or misfiring.

Mazda Protege5 Engine Repair

If your 2003 Mazda Protege5 needs engine repair, 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 service can wait, we’ll make sure you know. We'll also tell you if it's necessary for your safety. We seek to give you all the info you need to make a smart decision about our services. Turn to Firestone Complete Auto Care for your 2003 Protege5 engine repairs and you can feel good knowing that we only use Mazda-compliant replacement parts such as the timing belt, motor oil seal, fuses, or another part.

2003 Mazda Protege5 Engine Q&A

Why does the check engine light come on when I start my Protege5? It's okay if your check engine light comes on when you first start your vehicle. It’s just your Protege5 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my Mazda Protege5 making engine noise? Strange engine sounds can be a sign something’s off in your Mazda Protege5. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage a Mazda engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mazda Protege5 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.
Is it okay to put water in my Mazda Protege5 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 Protege5 engine suddenly stop? If your Protege5 car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Who repairs Mazda Protege5 engines? Your local Firestone Complete Auto Care has you covered with expert Protege5 engine repair. Schedule an appointment today and see us at one of our thousands of locations.