Compression in a diesel engine is essential for effective and efficient performance. And when compression is lacking, damage can result. That is why it’s imperative to know whether your engine’s ...

One of the easiest ways to test an engine's health is by checking its compression. Testing compression isn't something the average muscle car owner would do every year, but it is a useful tool to ...

Toyota makes some of the most durable trucks in the world—they’re so long-lasting, in fact, that they often go a full decade without major updates. That might change soon if an engine described in a ...

If your vehicle has been running roughly or seems to be losing power, it's possible that there's a lack of pressure in one or more of the cylinders. Without enough pressure, the fuel/air mixture doesn ...

Gasoline is more refined than diesel, and ignites more easily and quicker, resulting in more power at the cost of more fuel. Diesel engines have higher compression ratios, combust without spark plugs, ...

Car manufacturers are hard at work, coming up with more efficient powertrains. While electrification seems to be the focal point, there are plenty of companies still developing ways to make the ...

Any certified gearhead knows that diesel engines do not use spark plugs. But why not? If power in an engine is created by combustion or explosion of flammable liquids, won't a spark plug in a diesel ...

Infiniti was started 27 years ago so Nissan could sell luxury cars to Americans. The new division had a nice flagship, the Q45, though the first one looked a little goofy without a grille. The early ...