Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they ...

Is your engine underperforming? A Cenex expert shares how a diesel engine compression test could provide the diagnosis. With winter in full swing, fleet owners may be thinking about what they should ...

We may receive a commission on purchases made from links. While browsing auto repair and maintenance tools at your local parts store, you've likely come across compression testers like the Orion Motor ...

Because diesel vehicles do not use spark plugs, they must rely on higher compression ratios to ignite the diesel fuel without ...

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 ...