Want to know how healthy or unhealthy your engine really is? Get yourself a compression tester and find out. Despite how complex many modern vehicles are, you can do many common repair and maintenance ...

A compression test is an essential diagnostic tool for determining the health of an internal combustion engine. By measuring the pressure in each cylinder, you can identify issues such as leaks, worn ...

We may receive a commission on purchases made from links. I have been working on my own vehicles for almost 40 years and in that time have accumulated a sizable collection of tools. The bulk of them ...