Ford P0432 OBD-II Trouble Code Definition: P0432 Main Catalyst Efficiency Below Threshold Bank 2 P0432 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0432 Main Catalyst Efficiency Below Threshold What does the code mean? OBD-ii Code P0432 definition: The optical sensor provides a high resolution signal to the Powertrain Control Module (PCM) by counting pulses on the […]