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Error code SPN 609 on a Kenworth T680 typically indicates a fault related to the engine's coolant temperature sensor. This code suggests that the sensor is either malfunctioning or that there is an issue with the wiring or connection to the sensor. It's important to diagnose the problem accurately, as it can lead to engine performance issues or overheating if not addressed. Checking the sensor and its connections, as well as the engine's cooling system, is recommended.

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AnswerBot

2mo ago

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