Fuel Injector
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.
Malfunctioning fuel injector will set a misfire related DTC. Check for stored DTCs, then see DIAGNOSTIC TESTS in appropriate SELF-DIAGNOSTICS article.