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8 Worst kinds of Car Engine Oil to Avoid

Summary:

When maintaining your car, the choice of engine oil significantly impacts performance and longevity. Opting for subpar products can lead to issues such as reduced engine performance and potential damage. Here’s a breakdown of some problematic engine oils and their recommended alternatives:

  1. Low-Quality Conventional Oil: While cheap conventional oils may save upfront costs, they often lack essential additives. Consequently, this can cause increased wear and sludge buildup over time. It’s advisable to select reputable brands that meet industry standards for better protection.
  2. Unknown Synthetic Blends: Synthetic blends from unknown brands may not offer adequate engine protection, potentially resulting in premature wear. Instead, opt for synthetic blends from trusted manufacturers known for quality and performance.
  3. Unreliable High-Mileage Oils: Poor-quality high-mileage oils might lack additives that prevent leaks and reduce wear in older engines. For this reason, stick to well-established brands specializing in high-mileage formulations to ensure proper care.
  4. Cheap Diesel Oils: Generic diesel oils may not meet specific requirements for diesel engines, potentially shortening engine life. It’s beneficial to invest in high-quality diesel oils specifically formulated for your engine’s needs to enhance longevity and performance.
  5. Low-Viscosity Economy Oils: Although tempting for fuel savings, low-viscosity oils may fail to provide sufficient lubrication under high stress, compromising protection. Always use oils with the recommended viscosity specified by your vehicle’s manufacturer for optimal protection.
  6. Recycled Oils: While environmentally friendly, recycled oils can vary in quality and may contain contaminants harmful to your engine. To avoid potential issues, choose fresh, high-quality oils that ensure purity and performance.
  7. Foreign Brands Without Certification: Some foreign brands lack certification or recognition for engine protection standards compared to trusted domestic brands. Therefore, opt for certified and well-known brands to ensure reliable care
  8. Non-API Certified Oils: Oils lacking American Petroleum Institute (API) certification may not undergo rigorous testing for quality assurance. Always check for API certification on oil labels to ensure you’re using a tested and approved product that protects your engine over time.

Selecting the right engine oil involves prioritizing quality and adhering to manufacturer recommendations to safeguard your vehicle’s engine from unnecessary wear and potential long-term damage.
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