That would depend on how long the oil filter has been in use. At worst, the filter could become clogged and restrict or prevent the flow of oil through the engine.
Nothing terrible will happen but the old oil in the filter will mix with the new. I would recommend you change the oil and oil filter again. This will insure that you will have clean oil throughout the motor.
The bypass valve will open and the dirty oil will bypass the filter and go throughout the engine. This will never happen if you change your oil every 5,000 miles and also change the filter.
If its for your car it will leak oil faster and therefore make you change your oil more often.
Change the oil filter every time you change the oil.
It is either time for a oil and filter change or the engine is low on oil.
When you change the oil and oil filter.
. 850ml withou filter and 950 with oil filter change
Change the oil filter every time you change the oil.
Drain then change the filter.
Yes , you can change the filter only and either prefill the oil filter OR top up the engine oil , but if you have already started the engine the " dirty " oil has mixed with the new oil
If you intend to keep your vehicle's engine clean, change it every time you change your oil. The filter holds the dirt your engine generates. Hence the dark color of your oil as it ages and is pumped through your engine. Dirt is dirt. Get it out.
950 ml when you change the oil filter, but just 900 ml if you dont change the oil filter