
How to Replace the Spark Plugs in an Audi A3 Sportback
So, you’ve noticed your Audi A3 Sportback isn't running as smoothly as it used to. Maybe it’s not accelerating quite right, or perhaps your fuel economy has taken a nosedive. Before you start picturing catastrophic engine failures and envisioning a mechanic’s bill that rivals your mortgage, take a minute to breathe. It might just be…