Removal (GS300 & IS300)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 Lexus SC 430, 2003 Lexus RX 300, 2003 Lexus LX 470, 2003 Lexus LS 430, and 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
Release fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE . Disconnect EVAP vacuum switching valve connector. Disconnect EVAP hose from EVAP pipe. Disconnect vacuum hose from No. 2 vacuum pipe at air intake chamber. See Figure. Remove No. 2 vacuum pipe-to-intake manifold nut. Place a towel under fuel rail. Remove fuel line-to-intake manifold bolt. Slowly loosen and remove pulsation damper and gaskets.