Think You Know Heavy Machinery? Prove It With This Quiz!Share:FacebookPinterestTwitterMailIf your speedometer shows “0” but the machine is moving, what’s likely the issue?52%Next Correct Incorrect A sensor malfunction can prevent the speedometer from displaying correctly. If your speedometer shows “0” but the machine is moving, what’s likely the issue? Engine off Faulty speed sensor Gear not engaged Fuel empty 52%