P0423 Ford

Ford P0423 OBD-II Trouble Code Definition: P0423 Heated Catalyst Efficiency Below Threshold Bank 1 P0423 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0423 Heated Catalyst Efficiency Below Threshold What does the code mean? OBD-ii Code P0423 definition: The optical sensor provides a high resolution signal to the Powertrain Control Module (PCM) by counting pulses on the […]

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