Buy 1999 Ford F-150 XLT Extended Cab Pickup Stepside Mass Air Flow Sensor. Mass Air Flow Sensor - LITER, Cleaner, Engine - OEM Ford Part # 3L3Z12B579BA (3L3Z-12B579-BA)

Sensor. Air. Mass. Flow.
Mass Air Flow Sensor. Part is included in Air cleaner assembly. Police. Temperature. Included with: Air cleaner asembly, Air cleaner assembly, Air cleaner assembly Part includes coolant reservoir, Air cleaner body, Air outlet tube, Cover, Intake Cover, Top Cover, Upper Cover.

Mass Air Flow Sensor

Mass Air Flow Sensor - Repair or Replace
If the mass air flow sensor or MAF meter in your 1999 Ford F-150 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.