bBoogie wrote: >Is the "maxing" point of a MAF due to the housing >diameter, or the actual sensing unit? What maxes out is the range of airflow that it is calibrated for. Once the air flow reaches a certain point, the voltage signal from the MAF to the ECU maxes out, leaving the ECU no idea how much air mass if flowing through the engine. George Roffe Houston, TX <http://home.earthlink.net/~geo3/>