@meca_systema: In mechanics world, everything needs maintenance 🔧 By adjusting the timing of the intake and exhaust valves on the camshaft. Also, if it needs maintenance, you will face symptoms as Rough Idling: A faulty VVT solenoid can cause the engine to idle roughly, leading to vibrations or erratic fluctuations in RPM (revolutions per minute), lack of power and engine stall. #autorepair #carservices #vehicle #maintenance #automobile #technician #mechanic #ocv #vvt #solenoid #repair #cleaning #cleaner #engine #mecanica #mecanique #service #autel #scanner #beirut #activetest #ميكانيك_السيارات #ميكانيكي #لبنان