While an engine compression tester may not be the most common tool in a mechanic's garage, they can be very useful, especially for older cars.

An engine compression test kit consists of a pressure gauge and an assortment of hoses and fittings so that the gauge can be connected to the spark plug holes on each of an engine's cylinders. To ...

A compression test is to determine how much pressure the engine makes, and a leakdown test measures its ability to hold pressure.

A crank compression test can tell you a lot about an engine and we will be going over the numbers. - Super Chevy Magazine ...

A compression test reveals the condition of your engine's valves, its valve seats, and piston rings and whether these parts are wearing evenly.

With a simple diesel engine compression test, it is possible to spot compression problems before they get worse. Here’s information on these tests and how to decide if it is time to perform one.

That statement remains valid. While acceptance of the combined loading compression test method has grown steadily — it is now the dominant one — use of the other two has risen and then subsided ...

Some engines use a spark to ignite their fuel, and others rely on compression. What does all of that mean? And how do the two kinds of engines differ?

Increasing an engine’s compression ratio is a proven way of unlocking extra horsepower, but there’s a point of diminishing returns. The team at Garage 54, the Russian mechanics who built a V16 ...

Is your engine underperforming? Our expert shares how a diesel engine compression test could provide the diagnosis.