Set checks fuel pressure on most Port Fuel Injection (PFI) and Throttle Body Injection (TBI) systems. Comes with a variety of adapters and gauges for checking many types of systems. Adapts to work with test port connections, end of hose connections and in-line connections. Tests GM, Ford, Chrysler, Honda/Acura, Toyota, Bosch CIS and L-Jetronic. List of component parts included with instructions.