GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2004 🢒 Rainier 🢒 Engine 🢒 Engine Controls - 4.2L 🢒 Emission Hose Routing Diagram

Object Number: 763773 Size: SH
(1) Throttle Body
(2) To EVAP canister
(3) EVAP canister purge valve
(4) Preplenum resonator
(5) Fuel pressure regulator