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.

We take a close look at what engine compression means, what it does, and how to test it.

Curious to learn just how healthy or unhealthy your engine is? Get yourself a compression tester and find out. See the best compression testers here.

Removing the spark or glow plugs will release the engine compression and make this test easier to do, but is not absolutely necessary.

Compression If everything above has failed to diagnose the issue, use a compression tester to test the compression of your engine. Low or no compression could prevent the car from starting.

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 ...

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?

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