Ford P0424 OBD-II Trouble Code Definition: P0424 Heated Catalyst Temperature Below Threshold Bank 1 P0424 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0424 Heated Catalyst Temperature Below Threshold What does the code mean? OBD-ii Code P0424 definition: The optical sensor provides a high resolution signal to the Powertrain Control Module (PCM) by counting pulses on the […]