Vacuum pressure issues in your 1979-93 Foxbody Mustang? Get replacement MAP & BAP sensors at 5.0 Resto. Your manifold absolute pressure sensors (MAP) and barometric air pressure sensors (BAP) provide manifold pressure readings to the PCM. These high quality Motorcraft replacements are the perfect solution to a faulty component. Get yours today for your 1986, 1987, 1988, 1989, 1990, 1991, 1992, and 1993 Fox Body Mustang.