Posted on 4/2/2025
There’s nothing like the sound of a smooth-running Mustang—until something starts to feel off. If your Mustang is idling rough, shaking while driving, or misfiring when you hit the gas, there’s definitely something going on under the hood. So, what causes a Mustang to run rough or misfire? Common Reasons Your Mustang Might Be Struggling Here are a few usual suspects: Worn Spark Plugs or Ignition Coils These are some of the most common causes of misfires. If the spark isn’t strong enough or not timed right, your engine won’t run smoothly. Vacuum Leaks A cracked or loose hose can throw off the air/fuel mixture and cause rough idling or hesitation. Dirty Fuel Injectors Over time, fuel injectors can get clogged up, which leads to uneven fuel delivery—and that can cause your engine to ... read more