The leak reduces the engine's overall efficiency and impacts the function of a variety of systems that rely on a sealed vacuum. Often overlooked and sometimes confusing, vacuum leaks can lead to a series of performance issues that can affect your vehicle’s fuel efficiency, power, and overall reliability Learn more about how to check for vacuum leaks in your car
How to Find a Vacuum Leak: 12 Steps (with Pictures) - wikiHow
Our team of experts prepared the ultimate guide on everything you need to know about spotting vacuum leaks and how to fix them.
Finding a vacuum leak in your vehicle can feel tricky but it’s something you can tackle with the right approach
Vacuum leaks often cause engine performance issues like rough idling or poor fuel efficiency Knowing how to spot one early can save you time and costly repairs You don’t need to be a mechanic to identify common signs of a vacuum leak By understanding where leaks usually occur.
However, it is imperative that each step below is followed in its entirety, and is conducted in the order specified Air leaking into your car—not out of it—can be a problem Popular mechanics’s automotive experts outline the tools and techniques proven to smoke out even the toughest to find vacuum leaks.
