What Happens If You Don't Change Engine Oil?

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Engine oil is just as important as fuel for your car. It's crucial to regularly check the engine oil level and replace it as needed to maintain the performance and longevity of your vehicle.

Engine oil acts like a protective film coating the various components inside the engine. It reduces friction and wear when the engine is in motion, helps dissipate heat, prevents rust and corrosion, and stops the buildup of soot, dirt, and metal particles that could clog engine components.

Consequences of Not Changing Engine Oil

• Oil Becomes Too Thick

Over time, engine oil becomes thicker, which affects the engine's performance. Your car may struggle to accelerate. Replacing the oil ensures the engine can perform efficiently again.

• Oil Deteriorates

Engine oil provides lubrication, preventing direct contact and wear between engine parts. When oil deteriorates, its ability to lubricate decreases, leading to faster wear and tear on the engine.

• Higher Fuel Consumption and Noise

As engine oil loses its effectiveness, the engine has to work harder, often becoming noisier. This results in higher fuel consumption and increased emissions.

• Costly Repairs

Failing to change engine oil for an extended period can cause dirt and deposits to build up inside the engine. This can lead to significant damage, requiring costly repairs that far exceed the cost of regular oil changes.

When Should You Change Engine Oil?

Start by checking your car's manual for recommendations. Here are some general guidelines:

• Based on Mileage
  • Look for an oil change reminder tag, often placed near the steering wheel. This tag usually indicates the mileage at which the oil should be changed.
  • Typically, oil changes are recommended every 8,000–10,000 km (depending on the type of oil and driving conditions).
• Based on Time
  • For those who don’t drive often, it may take a long time to reach the mileage for an oil change. In such cases, don’t wait for the mileage threshold. Instead, change the oil every six months to maintain optimal engine performance.

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