How to Check a Used Car Before Buying (Checking the Engine)

friends, to check the engine when buying a car or just check the condition, first you need to start the engine and increase the revs. if there are extraneous sounds, then there are problems.
further, we unscrew the cover on the engine, and it should not be thrown away, it should be retracted. if it is thrown away, then the gases from the combustion chamber break through and the piston cannot cope.
then we unscrew the cover again, and if there are large quantities of oil splashes, then there are problems in the engine. in small quantities, this is acceptable.
then we check the smoke from the muffler, if it is black or bluish, then the engine costs money.
remove the cover on the engine, and there should be no small deposits on the cover itself and check the color of the smoke coming from the neck. if it is white it means normal, if it is black or bluish, then the engine eats up oil.
You can also check the carbon deposits on the exhaust pipe with your fingers. if there is little carbon or just dirt, this is normal, in other cases there are problems. mercedes benz

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[mohdfarzankhan]

1:17 if oil drops come out from it on idle what it means

[nckthegrk]

in your case there was a lot of oil splashing out, does that mean that the engine could have problem?