Being aware of things that could go wrong with your engine can help you get ahead of them and even avoid them. Learn about common engine issues and what to do about them with this post that Synthetic Oil Inc. in San Diego, CA, has for you.

Your car’s engine is its heart, and when something goes wrong, it can lead to major headaches and expensive repairs. Recognizing common engine issues early can save you time and money while keeping your vehicle running smoothly. Here are some of the most frequent engine problems and how to address them before they turn into serious failures.

Call Synthetic Oil Inc. in San Diego, CA, at (800) 653-0323 or visit AMSOIL's online shop to get high-quality products that can help avoid common engine issues.

Common Engine Issues

1. Engine Overheating

Overheating is one of the most common and dangerous engine issues. It can be caused by a failing cooling system, low coolant levels, a malfunctioning thermostat, or a broken radiator fan.

Signs of Overheating:

• Temperature gauge rising above normal
• Steam coming from under the hood
• Sweet-smelling coolant leaking under the car

How to Fix It:

• Check coolant levels and top off if needed.
• Inspect the radiator and hoses for leaks.
• Ensure the thermostat and radiator fan are functioning properly.
• If overheating continues, have a mechanic inspect the water pump and cooling system.

2. Engine Misfiring or Running Rough

If your engine stutters, hesitates, or runs unevenly, it could be misfiring. This issue is often due to faulty spark plugs, a clogged fuel injector, or an ignition system failure.

Signs of a Misfiring Engine:

• Uneven idling or shaking
• Loss of power during acceleration
• Increased fuel consumption

How to Fix It:

• Replace worn-out spark plugs and ignition coils.
• Clean or replace clogged fuel injectors.
• Check for vacuum leaks or faulty sensors.

3. Check Engine Light Comes On

The check engine light is a warning sign that something in your engine isn’t working properly. The cause could range from minor issues like a loose gas cap to major problems like a failing catalytic converter.

Common Causes:

• Faulty oxygen sensor
• Loose or damaged gas cap
• Malfunctioning mass airflow sensor
• Failing catalytic converter

How to Fix It:

• Use an OBD-II scanner to check the diagnostic trouble code (DTC).
• Tighten or replace the gas cap if it's loose.
• If the issue persists, consult a mechanic for a proper diagnosis.

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4. Loss of Power or Acceleration Issues

A sluggish engine that doesn’t respond well when you press the gas pedal can be frustrating and dangerous. This issue is often related to fuel system problems, a clogged air filter, or a failing sensor.

Causes of Power Loss:

• Dirty or clogged fuel injectors
• Malfunctioning throttle body
• Failing oxygen or mass airflow sensor

How to Fix It:

• Clean or replace the air filter and fuel injectors.
• Check and replace faulty sensors.
• If the issue persists, have the fuel pump and exhaust system inspected.

5. Excessive Exhaust Smoke

Different colors of exhaust smoke can indicate various engine problems.

• Blue smoke: Burning oil due to worn piston rings or valve seals.
• White smoke: Coolant leak, possibly from a blown head gasket.
• Black smoke: Excess fuel burning, often caused by a faulty fuel injector or air filter.

How to Fix It:

• If you notice blue smoke, check and replace worn seals or rings.
• White smoke may require a head gasket replacement.
• Black smoke often means adjusting the air-fuel mixture or replacing fuel system components.

6. Unusual Engine Noises

Knocking, ticking, or grinding noises from your engine could indicate internal damage or low oil levels.

Common Causes:

• Low or dirty engine oil
• Worn-out bearings or lifters
• Detonation knock from improper fuel or timing issues

How to Fix It:

• Check and change your engine oil regularly.
• Use the correct fuel grade recommended by your car’s manufacturer.
• If the noise persists, have a professional inspect the engine.

7. Oil Leaks

Oil leaks can lead to serious engine damage if left untreated. Leaks usually stem from worn gaskets, seals, or a damaged oil pan.

Signs of an Oil Leak:

• Puddles of oil under your car
• Burning oil smell inside the cabin
• Low oil levels

How to Fix It:

• Identify the source of the leak and replace worn-out gaskets.
• Use high-quality engine oil and check oil levels regularly.
• If leaks persist, have a mechanic perform a full inspection.

Call Synthetic Oil Inc. in San Diego, CA, at (800) 653-0323 or visit AMSOIL's online shop to place an order for products that will maintain your engine perfectly and avoid some of these common engine issues.