Fits 4Runner, Corolla, Land Cruiser, Prius, Prius Prime, Sequoia, Tacoma, Tundra Mass Air Flow Sensor - Repair or Replace If the mass air flow sensor or MAF meter in your Toyota is failing, you???ll notice in addition to the check Engine light that your Engine may crank and not start, or that the Engine Speed surges at idle.

Fits 4Runner, Corolla, Land Cruiser, Prius, Prius Prime, Sequoia, Tacoma, Tundra Mass Air Flow Sensor - Repair or Replace If the mass air flow sensor or MAF meter in your Toyota is failing, you???ll notice in addition to the check Engine light that your Engine may crank and not start, or that the Engine Speed surges at idle.