16 1998 Toyota 4Runner Mass Air Flow Sensor : Online Courses - Learn Anything, On Your Schedule. Toyota 4runner 1998, mass air flow sensor. Toyota > 1998 > 4runner > 3.4l v6 > exhaust & emission > mass air.
If the mass air flow sensor or maf meter in your 1998. Not sure if it's as effective as a dedicated maf sensor cleaner, but it's better than a dirty sensor. A maf sensor measures the density of the air entering the intake manifold.