P0542 Ford

Ford P0542 OBD-II Trouble Code Definition: P0542 Intake Air Heater Relay 1 High P0542 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0542 Intake Air Heater “A” Circuit High What does the code mean? OBD-ii Code P0542 definition: The engine control module (ECM) uses an intake air heater (IAH) to warm the incoming air for proper cylinder […]

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