Introduction If you have purchased a car within the last decade, there is a massive probability that you are driving a Turbocharged Gasoline Direct Injection (TGDI) vehicle. Automakers have aggressively downsized engines, relying on turbochargers to make a 1.5-liter four-cylinder produce the horsepower of an older V6 while meeting strict…
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Engine Knocking in Modern Cars: Causes, Fixes & Engineering
Introduction Few sounds induce more anxiety in a driver than stepping on the accelerator and hearing what sounds like spray paint marbles rattling inside a tin can. This metallic pinging or rattling is universally known as engine knocking. While older, low-compression engines from the 1990s were relatively forgiving of poor…