Doing a Vacuum Leak Test is the best method to determine if, unmetered outside air is entering your engine. Unmetered air throws of the air/fuel ratio.
Vacuum Leak Detection – The Safe Way To Find Vacuum Leaks
A Vacuum leak can trick you, and your car computer into believing a particular sensor, or system needs fixing. Then, you start replacing components, hoping you’ll fix the problem, unsuccessfully. Often, a vacuum leak makes […]