Equus 3640 Innova Professional Fuel Injection Pressure Tester * 2-1/2" dial face with 0-100 PSI scale * 16 gauge hose * 6-foot bleed-off hose with solid brass fittings * Includes Ford, GM and Chrysler test adapters and a Tee adapter for import vehicles * Identifies and diagnoses low fuel pressure, faulty fuel pressure regulator, leaking injector(s), fuel leaks and/or clogged fuel filters