Cylinder Leak Down Tester – Accurate Engine Diagnostics Tool Key Benefits Universal compatibility with both domestic and imported cars and trucks, making it suitable for a wide range of automotive applications. Specially designed for testing engine leakage in 4stroke engines, including those with limited clearance space. Quickly detects common engine problems such as worn piston rings, damaged or worn valves, cylinder head cracks, and blown head gaskets. Helps pinpoint the exact source of compression loss for faster, more accurate repairs. Features and Performance Equipped with a builtin pressure regulator for precise control of incoming compressed air between 45 and 100 psi. Measures the amount of leakage directly, providing clear and reliable diagnostic results. Allows the user to listen for audible signs of air escaping through various engine components to identify the location of leaks. Sturdy construction offers consistent performance over repeated use in professional and home garage environments. Practical Use Scenarios 1. Automotive shops can use this tester to confirm suspected compression issues before performing major engine work, saving time and parts. 2. Car enthusiasts and DIY mechanics can diagnose engine health in classic or project vehicles to plan effective rebuilds and maintenance. 3. Pre inspections on used vehicles can reveal hidden engine problems, helping buyers make informed decisions. Compatibility and Application Works with all gasolinepowered 4stroke engines in cars and trucks. Ideal for engines with limited clearance where traditional compression testers may not fit. Not suitable for shallow cylinders. This professionalgrade cylinder leak down tester delivers clear, accurate measurements to ensure confident engine diagnostics across a variety of vehicle types.