5.2 LITER. Left.AIR INJECTION. Pressure sensor. Right.AIR INJECTION. For AIR Pump System. From 09/30/2016. Location-Secondary Air Injection Pipe. Secondary Air Injection Air Mass Sensor. The manifold absolute pressure sensor provides instantaneous manifold pressure information to the engine's electronic control unit (ECU). To 09/29/2016. Manifold Absolute Pressure Sensor. MAP SENSOR. PRESSSENS. Secondary Air Injection Air Mass Sensor. Thrust sensor. Included with: Connector pipe, Hose #2, Hose & tube assembly, Inlet hose.