The engine compression test is one that can be done by nearly anyone with a basic knowledge of cars or trucks. Find everything from safety equipment and socket wrenches to compression …

Dec 17, 2024 · Attach the compression test adapter into the cylinder nearest the front of the engine, then connect the gauge to the other end of the adapter hose. To perform the test, …

Scotty Kilmer, mechanic for the last 46 years and counting, shows how to check the compression pressure inside your engine.

To check compression on an engine, remove all spark plugs, disable the fuel and ignition systems, insert the gauge, and crank the engine for five pulses.

Nov 6, 2024 · A compression test is a valuable diagnostic procedure that helps determine the health of an engine by measuring the pressure generated in each cylinder. The following is a …

Jan 29, 2025 · First of all, connect the tester to a cylinder, and turn the engine over, 6 to 8 compression strokes. You will hear the cranking speed slow, as the tested cylinder, comes up …

Dec 16, 2025 · Master the engine compression test. Learn to interpret dry and wet readings to diagnose internal engine wear and leakage.

Jun 24, 2025 · A healthy engine builds good compression, while a worn or damaged engine exhibits lower than expected readings. This article provides a comprehensive guide on how to …

Jul 12, 2024 · It helps diagnose engine problems and determine if there is any leakage or loss of compression. This test is essential in determining the overall health and performance of an …

This tutorial will teach you everything you need to know to do a compression test on any engine.