Did some more searching and found that it would be the one with the green connector. I'm assuming it is the upper two wire sensor on the back of the filler neck. Someone rigged it up to have two wires coming out of it with some simple wire connectors. Can someone verify this is the correct one?
1993 MB Rx-7 Touring
Apexi PFC and all supporting mods
PM me for twin turbo parts.