Ford P0109 OBD-II Trouble Code Definition: P0109 Manifold Absolute Pressure/Barometric Pressure Sensor Intermittent P0109 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0109 Manifold Absolute Pressure/Barometric Pressure Circuit Intermittent What does the code mean? OBD-ii Code P0109 definition: The Manifold Absolute Pressure (MAP) sensor provides instantaneous manifold pressure information to the engine’s Engine Control Module (ECM). The […]