Vacuum pressure issues in your 1979-1993 Fox Body 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 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.