Walker Products 245-2078 Mass Air Flow Sensor


  • Measures the amount of air by weight through changing voltages or frequencies
  • Sends information collected to the onboard computer
  • The computer uses this and other inputs to calculate the correct amount of fuel delivered
  • Symptoms of failure include poor starting, engine surging, engine stalling, a check engine light, and no-start conditions
  • Sensors are non-serviceable, replace sensors that are non-functional

OEM Part Numbers:  ‎MF21085N 19703-M MF21085 MF21029N MF21029