@meca_systema: Checking induction system/crankcase for leaks, the Positive Crankcase Ventilation system can allow Vacuum leaks with air from the crankcase entering the manifold, for instance, if Vacuum line from brake booster to Vacuum pump is leaking. A smoke machine can be used to effectively detect vacuum leaks. By introducing smoke into the system, any leaks will cause the smoke to escape, making them easier to identify. The smoke will often be visible as it seeps out from cracks, gaps, or disconnected hoses. #automotive #diagnostic #tools #mechanic #autorepair #vacuumleaks #smokeleakdetector #rpm #idle #6cylinder #gm #e90 #n51 #e90bmw #bmw #bmwrepair #breather #pcv #autool #autel #leakdetector #tiktok #foryou #ميكانيكي