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The Ignition System: Spark Plugs & Ignition Coils in Cars

Your car’s ignition system is the unsung hero that ensures smooth starts, efficient combustion, and optimal engine performance. At the heart of this system are two critical components: spark plugs and ignition coils. While they may seem small, their role is massive—without them, your engine wouldn’t run at all.   In this blog post, we’ll break down how spark plugs and ignition coils work, signs they might be failing, and why keeping them in good condition is essential for your vehicle’s health.   1. The Role of Spark Plugs in the Ignition System   Spark plugs are small but mighty components that deliver the electric spark needed to ignite the air-fuel mixture in the combustion chamber. Here’s how they work:   - High-voltage electricity from the ignition coil travels to the spark plug.   - The spark plug generates a spark across its electrode gap, igniting the compressed fuel-air mixture.   - This controlled explosio...