6.6 LITER DIESEL. SENSORS. Air Charge Temperature Sensor. Incl.Air Charge Temperature Sensor. Incl.Manifold Absolute Pressure Sensor. Incl.Seal. The manifold Absolute Pressure Sensor provides instantaneous manifold Pressure information to The engine's electronic control unit (ECU). Assembly - Interior Air Pressure and Temperature. Air Charge Temperature. Air Intake Temperature. Manifold Absolute Pressure. Map.