Plastic Fuel Line Coupler (Protege): Connect
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2001 Mazda Tribute, 2001 Mazda Protege, 2001 Mazda Millenia, 2001 Mazda MX-5 Miata, and 2001 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
Push fuel lines back together until click is heard. Install locking clip. If installing new fuel line, checker tab will be installed on fuel line coupler. See Fig 1. Checker tab will release when fuel line coupler is connected completely and can be discarded.