What happens if I put 5w30 instead of 5W20?

While both 5W20 and 5W30 motor oils are suitable for high mileage engines, the best viscosity type for your vehicle depends on how the manufacturer designed the engine. Using 5W30 when it is advised that you use 5W20 can result in your vehicle not getting good fuel economy.
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Can I used 5W-30 instead of 5w20?

Can You Use 5w30 Instead Of 5w20. It is not recommended. Although they both have the same winter rating of 5, the thickness (viscosity) of 5w30 is a bit higher than 5w20. That means your engine's at stake for using the high viscosity oil.
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Is there a big difference between 5w20 and 5W-30?

5w20 is a champion in colder climates with quicker engine startups because of its low viscosity and less friction in the engine parts. 5w30 is also a champion in hotter climates where a thick oil is needed to withstand the higher temperatures. The engine will inevitably get hotter and thus requires a more viscous oil.
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What happens if you put the wrong oil weight in your car?

Using the wrong fluid can cause poor lubrication, overheating, and possibly transmission failure. A mechanic might not be able to reverse the damage, even by flushing the transmission. Mistakenly adding motor oil or brake fluid can also destroy your transmission.
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Is 5w30 good for high mileage?

Amazon Basics Full Synthetic is the best 5w30 oil for high mileage vehicles. This oil should only be used on vehicles exceeding 75,000 miles. This motor oil is formulated for longer drain intervals. It helps in preventing a build-up on drain intervals and preventing rust and corrosion.
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5w20 or 5w30? Which do I run and why. Is 5w20 a hoax for fuel milage?



Is 5w30 good for summer?

When should I use 5w30 oil? You should always use the oil recommended by your vehicle's manufacturer. However, 5w30 oil can function in temperatures as low as -30ºC and as high as 40ºC, making it an ideal choice if you drive your car in a place with relatively high seasonal temperature variations.
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Is 5w30 good for winter?

An example is 5W30—the “W” stands for winter and the oil's cold weather rating. The lower the W number, the better the oil will perform in colder temperatures. Typically, a 5W oil is recommended for winter use, but synthetic oils can be formulated to flow even more easily when cold.
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How long does 5W 30 oil last?

Mobil 1™ Extended Performance High Mileage 5W-30

Provides 20,000 miles of protection for vehicles with more than 75,000 miles – guaranteed.
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Will heavier oil hurt my engine?

Using oil that is thicker than recommended may lead to a decrease in fuel economy, a higher load on your engine, and even a shorter life for your engine. Conversely, using thinner, lighter-weight oil than recommended can cause excessive wear and shorter life.
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Can wrong oil cause misfire?

Can A Dirty Oil Filter Cause Misfire? When an oil filter is bad, it can reduce oil flow, which can cause an improper valve timing, which can result in a misfire. If oil flow is low for a long time, worn engine parts may result in a misfire.
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Can you mix motor oil weights?

The truth is simple: don't mix two different oils that have different weights (viscosities). Viscosity Grades might sound pretty scientific, but the simple fact is that this is what keeps your engine running smoothly.
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