Subaru Mass Air Flow Sensor 22680aa310

If the mass air flow sensor or MAF meter in your Subaru is failing, youll notice the check engine light that your engine may crank and not start, or that the engine speed surges at idle. Its primary function is to measure the volume of air entering the engine, enabling the Engine Control Unit (ECU) to balance the air-fuel mixture accurately Without precise air measurement, your engine could experience poor performance, increased fuel consumption, and elevated emissions Fits Subaru Forester, Impreza, Outback, STI and WRX