Pre-ignition Pre-ignition Pre-ignition (or preignition) in a spark-ignition engine is a technically different phenomenon from engine knocking, and describes the event wherein the air/fuel mixture in the cylinder ignites before the spark plug fires. Pre-ignition is initiated by an ignition source other than the spark, such as hot spots in the combustion chamber, a spark plug that runs too hot for the application, or carbonaceous deposits in the combustion chamber heated to incandescence by previous engine combustion events. The phenomenon is also referred to as 'after-run', or 'run-on' or sometimes dieseling, when it causes the engine to carry on running after
Ignition (The Offspring album) in 2005. "Ignition" was released through Epitaph Records on October 16, 1992. Like their self-titled debut album, "Ignition" did not chart on the "Billboard" 200; however, The Offspring began to gather small success in the Southern region of California, mainly the areas of San Diego, Orange County and Los Angeles, and spent a-year-and-a-half touring relentlessly behind the album. Although no videos were released for "Ignition", "Kick Him When He's Down" was released as an airplay-only single in 1995. "Ignition" was certified Gold on January 22, 1996, nearly two years after the release of "Smash". The album has received generally favorable