View post: This Rechargeable Flashlight Is as 'Bright as the Sun' — And It's $21 at Amazon There have been some question about what happens if you put regular gas in the tank and whether that would ...

The engine’s knock sensor (or sensors) detects preignition and detonation, potentially damaging forms of abnormal combustion. Though full-blown knocking and pinging are audible to the human ear, the ...