Don't Risk Your Engine: 13 Engine Oils You Must Avoid

Understanding the Risks of Wrong Engine Oils

Did you know that more than 69 million vehicles break down in the US each year? Approximately 24 million of these breakdowns can be traced back to one crucial mistake: using the wrong engine oil. This oversight can lead to severe engine problems, including sludge buildup and in some cases, complete engine failure. In this article, we’ll unpack the critical mistakes to avoid when it comes to engine oil choices—essential reading for every auto owner.

In '13 Engine Oils That Will Murder Your Engine (Don’t Buy)', the discussion dives into the risks of using inappropriate engine oils, exploring key insights that sparked deeper analysis on our end.

Why Choosing the Right API Classification Matters

According to the American Petroleum Institute (API), using obsolete service classifications can severely impact your vehicle’s performance. A staggering 60% of drivers mistakenly use oil that doesn’t match their car’s needs, often opting for older API classifications that are simply outdated. Engine oils designed for cars built before 2001 offer less protection against modern engine issues like low-speed pre-ignition and timing chain wear. To ensure optimal performance, always choose oils that meet the most current API standards for your vehicle.

OEM Specifications: Why They Matter

Many car manufacturers specify particular engine oils based on rigorous testing. Failure to adhere to these OEM specifications could void your warranty and lead to severe engine problems. For instance, General Motors has its Dexos oil, while Volkswagen and BMW have their distinct certifications. Ignoring this could lead to premature wear or even catastrophic engine failure. Therefore, always look for the appropriate OEM approval stamp on the oil bottle.

Fake and Cheap Oils: A Risk You Can’t Afford to Take

Generic engine oils may seem appealing because they are cheaper, but they often lack quality control. Major brands invest time and resources to ensure every bottle meets high standards. In contrast, a discount oil could potentially lack essential additives needed to protect your engine. One notorious example is Express Lube Pro, which failed to meet basic viscosity requirements, making it risky for your engine. It's crucial to stick with established brands that are known for their reliability.

Viscosity Awareness: The Key to Engine Longevity

The viscosity of oil is another critical element every driver should understand. An oil that is too thick may struggle to flow during cold starts, leading to engine wear. Conversely, oil that is too thin won’t provide adequate protection at high temperatures, risking serious engine damage. Always consult your vehicle’s manual to determine the correct viscosity for your specific car model.

The Perils of Recycled Oils

Using re-refined or recycled oils is another area where caution is necessary. While some recycled oils can be of excellent quality, others may be poorly processed, resulting in a lack of essential additives that protect against sludge and wear. To stay on the safe side, look for oils that have the appropriate certifications from the API and other reputable organizations.

Beware of Counterfeit Oils

The threat of counterfeit oils is very real, with billions of dollars worth of fake automotive parts and oils seized each year. These products may look convincing but could contain harmful substances that jeopardize your engine. To avoid this pitfall, purchase oils from trusted sources and carefully examine the packaging for any signs of tampering.

High Mileage Vs. Low Mileage Oils

Don’t fall into the trap of using high mileage oils in lower mileage engines. These oils come with additives meant to help aging engines, which can actually harm your newer car by causing seal failures. Only consider high mileage oils after your vehicle has surpassed 75,000 miles to prevent unnecessary issues.

The Bottom Line: Protect Your Investment

As a car owner, understanding the intricacies of engine oils can save you time, money, and a whole lot of headaches. Ensure you are always using the correct API classification, adhering to OEM specifications, and avoiding cheap imitations. With that knowledge, you will significantly lessen the risk of engine failure and keep your vehicle in great shape for years to come.

To ensure your vehicle runs smoothly and protect your investment, always choose engine oils carefully. Remember, an informed choice can make all the difference.