Can Car Engine Oils Be Mixed?

1 Answers
AliyahMarie
07/30/25 12:41am
Whether car engine oils can be mixed depends on specific circumstances: 1. Oils of different grades cannot be mixed; 2. Oils with unclear characteristics and additive compositions cannot be mixed; 3. Oils with similar quality, or high-quality oil mixed with low-quality oil used as low-quality oil, can be mixed; 4. Ordinary mineral oils can be mixed. Engine oil, also known as motor lubricant, is composed of base oil and additives. The method for changing engine oil is: 1. Lift the vehicle with a jack, locate and unscrew the drain plug to release the oil; 2. After removing the oil filter, place a container beneath it; 3. Replace with a new oil filter and add new oil.
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