A homemade device for introducing vapor into a vehicle’s systems, typically for leak detection, can be constructed using readily available components. This involves creating a sealed pressure vessel, a source of vapor (often mineral oil or glycerin-based fluid), and a delivery mechanism to target specific areas like the intake or exhaust systems. An example would be a modified air compressor connected to a heated chamber containing the vapor-producing fluid.
Locating leaks in complex automotive systems, such as evaporative emissions control or intake manifolds, can be challenging. A homemade vapor-generating device offers a cost-effective solution compared to professional diagnostic equipment. Historically, mechanics have used variations of this approach, adapting readily available tools and materials for leak detection. This reflects the ongoing need for accessible diagnostic methods within the automotive repair field.