Buy 2009 Cadillac Escalade EXT Mass Air Flow Sensor. Mass Air Flow Sensor - Repair or Replace If the Engine, Failing, Idle - OEM Cadillac Part # 19332973 (19208521, 213-4581, 2134581)

Mass Air Flow Sensor.
Mass Air Flow Sensor.

Mass Air Flow Sensor

Mass Air Flow Sensor - Repair or Replace
If the mass air flow sensor or MAF meter in your 2009 Cadillac Escalade EXT 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.