Congratulations. You have purchased a precision instrument manufactured tothe highest quality standards. This Fuel Injection Pressure Tester Kit is designed to perform fuel pressure testson most domestic and imported cars and trucks that are equipped with electron-ic fuel injection systems. The tester saves you money by helping you test andtroubleshoot fuel system problems that can affect your vehicle's performance andfuel economy. The tester can help you identify and diagnose: • Low fuel pressure • Leaking fuel injectors • Faulty fuel pressure regulator • Clogged fuel filter • Leaks in the fuel system • Faulty fuel pump. To avoid personal injury, instrument damage and/or damage to equip-ment under test, DO NOT operate the tester before reading this manual.ALWAYS use extreme caution when working on an automobile. This manual describes common test procedures used by experienced service per-sonnel and technicians. Many test procedures require precautions to avoid acci-dents that can result in personal injury, and/or vehicle or equipment damage.ALWAYS read your vehicle's service manual and follow it’s safety pre-cautions before any test or procedure is performed.