found the part that's leaking - attached to frame over gas tank with vacuum like lines going to it (mechanic says it's not actually vacuum) - plastic valve, mechanic is not sure what it's called. what is the part?? i know i could replace it if i could find one
1988 failing fuel system pressure check on 1990 Mazda B2200
sounds like you may be taking about the fuel tank pressure sensor. Or purge solenoid. Try you local auto parts store for part , have them pull up the picture of the part on there computer. You can look to be sure.
hey i have a b2200 mazda pickup with running rich problems. the part you are talking about is a check and cut valve part of evap system, i think its function is to cut fuel when truck rolls over, but not sure.I broke my valve while removing fuel tank, but didnt replace it.I think its a junkyard item maybe dealer item dont know. If it effect runnability of truck, i would like to know , so i can get one please email back to email@example.com thanks a bunch.