2010 Chevrolet Express 3500 Mass Air Flow Sensor

You need to remove the air cleaner outlet duct, inspect the Throttle Body bore and the throttle plate for deposits, clean the throttle body bore and the throttle plate, install the air cleaner outlet duct, and then perform the Throttle Learn Procedure.

The procedure is to install the MAP Sensor to the upper intake manifold, connect the MAP sensor electrical connector, and then install the engine cover.

You can lubricate the O-ring seals with clean engine oil, install the O-rings seals to the cover, install the cover, gasket, and bolts, apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent, to the threads of the sensor, and then install the oil pressure sensor and sealing washer and the Intake Manifold.