Fuel System Pressure Release: 2.3CL
WARNING: This page is about a different car, the 1999 Acura Integra, 1999 Acura 3.5RL, 1999 Acura 3.2TL, 1999 Acura 3.0CL, and 1999 Acura 2.3CL. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect negative battery cable. Loosen fuel tank filler cap. Place box wrench on 12-mm sealing nut at fuel rail. Place clean shop rag around fitting. Slowly loosen 12-mm sealing nut one complete turn to relieve system pressure. Always replace washer after loosening service or banjo bolt.