Using the wrong oil can lead to several issues. Watch out for these warning signs: Poor Fuel Economy: If your mileage drops suddenly, the oil might not be reducing engine friction effectively. Unusual Engine Noises: Knocking or ticking sounds can indicate improper lubrication. Excessive Exhaust Smoke: Thick smoke may result from oil that’s too thick or thin for your engine. Oil ... https://inoutcarwash.com/why-choosing-the-right-oil-is-crucial-for-your-cars-performance/