Intake Manifold Runner Control (IMRC) Solenoid Valve No. 2
WARNING: This page is about a different car, the 2004 Acura 3.5RL, 2003 Acura 3.5RL, 2003 Acura 3.2TL, and 2003 Acura 3.2CL. However, it is still accessible from the selected car via links, so may be relevant.
See INTAKE MANIFOLD RUNNER CONTROL SYSTEM under AIR INDUCTION SYSTEMS.