Is Mixing Engine Oil Viscosity Bad for Your Car?

Discover why mixing different engine oil viscosities can harm your vehicle. Learn the best practices for engine oil maintenance.

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Mixing engine oil viscosity is generally not recommended. Different viscosities can lead to the oil not functioning optimally, affecting engine performance and longevity. Always use the manufacturer's recommended viscosity to ensure proper lubrication and protection.

FAQs & Answers

  1. What happens if I mix different engine oil viscosities? Mixing different engine oil viscosities can lead to suboptimal lubrication, potentially harming engine performance and longevity.
  2. How do I know which engine oil viscosity to use? Always refer to your vehicle's owner's manual for the manufacturer's recommended oil viscosity to ensure proper protection.
  3. Can I use synthetic and conventional oil together? While it's technically possible, it's best to stick with one type to avoid compatibility issues.
  4. What is engine oil viscosity? Engine oil viscosity refers to the thickness of the oil, which affects its ability to flow and provide lubrication under varying temperatures.