Product Information
About this item
- 【WORLD'S FIRST 4-IN-1 DIGITAL CYLINDER DIAGNOSTIC SYSTEM】 Replace four traditional diagnostic tools with one intelligent touchscreen device. Proton combines a Digital Compression Tester, Leak Down Tester, Pressure & Vacuum Gauge, and Top Dead Center (TDC) Assistant into one compact system, simplifying engine diagnostics like never before.
- 【AUTOMATIC DATA LOGGING & CYLINDER COMPARISON】 No more writing readings on paper. Proton automatically records every cylinder measurement and displays all compression and leak-down results together on one screen, making cylinder-to-cylinder comparison quick, organized, and accurate.
- 【DIGITAL PRECISION WITH AN INTUITIVE TOUCHSCREEN】 High-resolution digital sensors provide fast, accurate, and repeatable measurements for compression, leak-down, pressure, and vacuum testing. The responsive touchscreen delivers a modern diagnostic experience that outperforms traditional analog gauges.
- 【DIAGNOSE ENGINE PROBLEMS FASTER】 Quickly identify worn piston rings, leaking valves, blown head gaskets, poor cylinder sealing, timing issues, and vacuum-related problems using one powerful diagnostic platform designed to improve efficiency and confidence.
- 【BUILT FOR PROFESSIONALS】 Engineered for professional technicians and serious DIY mechanics. Includes multiple spark plug adapters and quick-connect fittings for broad compatibility with gasoline-powered engines. Not intended for diesel engine testing.
- 【5-Year 100% Full Coverage Warranty】 You're fully covered from all manufacturer and operational defects. We're right here in the United States and will replace your unit—fast.
Product Description
【Meet the World's First 4-in-1 Digital Cylinder Diagnostic System】 The AutoLine Pro Proton isn't just another compression tester—it's a completely new way to diagnose engine cylinder health. By combining a Digital Compression Tester, Leak Down Tester, Pressure & Vacuum Gauge, and Top Dead Center (TDC) Assistant into one intelligent touchscreen device, Proton replaces multiple traditional tools with one fast, accurate, and intuitive diagnostic system. Unlike conventional analog testers that require handwritten notes and manual comparison, Proton automatically records every cylinder reading and displays all results together on one screen. Instantly compare cylinders, identify weak compression, evaluate cylinder sealing, and diagnose engine problems with confidence—all without writing down a single measurement. Whether you're troubleshooting worn piston rings, leaking valves, head gasket failures, timing issues, or vacuum-related problems, Proton streamlines the entire diagnostic process with professional digital precision and a modern user experience. Designed for professional repair shops and serious DIY mechanics, Proton transforms engine diagnostics from a time-consuming task into a faster, smarter, and more enjoyable workflow. Compatibility: Designed for gasoline-powered engines. Not intended for diesel engine testing.
