Fuel Cap Pressure Test System - An economical system to quickly pressure test fuel caps. The FPT26E can be used to test all standard threaded fuel caps on foreign and domestic vehicles. All late model OBD II vehicles are designed to detect evaporative emission problems. Fuel caps cause the majority of them. In the year 2000, over 28 states will require fuel cap testing. Prescreening prior to state testing increases fuel cap sales and saves your customer the inconvenience of an inspection failure. Kit includes the FPT26 Low Pressure Leak Tester (rugged aluminum pump with 0-60 in/H2O analog gauge), the FPT 2S-4A8 BAR-97 Certified Fuel Cap Adaptor, manual, case