Knock-knock. Who's there? Your engine. Well, that's a joke no driver would find funny if it happens in real life. So before you become the punchline of this car concern, it’s better to equip yourself with knowledge—and the necessary tools—to get it under control. Here are four ways to avoid engine knocking: 1. Increase your fuel’s octane level Engine knocking … [Read more...] about Four Surefire Ways to Avoid Engine Knock