How to Check If Your Mechanic Used Original or Fake Engine Oil? (Lahore Drivers’ Practical Guide)
You hand over your car for an oil change, stand there trusting the mechanic, and drive away feeling confident. But after a few days, the engine starts sounding slightly louder, the pick becomes weaker, or the mileage drops for no clear reason. You start wondering: Did the mechanic actually use original engine oil, or was…











