October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Fuel System Pressure Test

Install a Fuel Pressure Gauge (SA9127E) to fuel service test port. Turn ignition on, with engine off. Using a scan tool, command fuel pump on. Fuel pressure should be 50-60 psi (345-414 kPa). If fuel pressure is not as specified, diagnose fuel system.