Built for everyday diagnostics, this compression tester gives mechanics and DIY car repairers a straightforward way to test cylinder pressure without guesswork. As an auto repair tool, it is designed for quick engine testing in the workshop, garage, or driveway when you need a straightforward answer about engine condition. The combined-scale engine test gauge reads from 0 to 300 PSI and 0 to 21 kg/cm2, so you can read compression in the unit that feels most familiar. That makes it easier to compare results across cylinders and detect weak or uneven measurements before they turn into bigger problems. Designed as a cylinder compression tester, it supports 14 mm and 18 mm thread sizes for spark plug threads for broad everyday use. The pressure retention feature, air retention mechanism, and reset button add convenience between checks, while the 11-inch hose helps you position the gauge comfortably during testing. If you are troubleshooting rough running, checking after repairs, or simply keeping an older vehicle in shape, this engine compression gauge helps you work with more confidence. It is a compact, practical tool for anyone who wants faster diagnostics and more informed maintenance decisions.
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