underneath the carpet behind the seats there is an access point. unscrew the screws and lift off the cover. then there is another screwed on cover with two gas lines coming from it. It has about * or so tiny screws in it. these screws are extremely easy to break, so smack them with a hammer first to loosen them. dissconnect the hoses to the top of this cover first, and the little electrical plug thing, and pull it out. the fuel pump is connected to the bottom of this cover.
12.7 gals or 48 litres
You can get a 1999 Mazda Miata fuel cap at any auto parts store.
Replace your fuel pump, save the time on diagnosis
The 1999 Mazda Miata is a returnless fuel system. It has a Fuel Pressure Regulator in the tank (above the fuel pump), and a snub at the end of the fuel rail.
The 2002 Mazda MX-5-Miata runs on regular unleaded.
The 2004 Mazda MX-5-Miata runs on regular unleaded.
The 2005 Mazda MX-5-Miata runs on regular unleaded.
The 2003 Mazda MX-5-Miata runs on regular unleaded.
The 2001 Mazda MX-5-Miata runs on regular unleaded.
in the tank
The 2007 Mazda MX-5-Miata runs on premium unleaded (required).
The 2010 Mazda MX-5-Miata runs on premium unleaded (required).