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coolant fan

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  1. NUGNUG

    2018 RAM 2500 6.7 Cummins coolant fan cycling on and off a lot

    The engine/coolant fan on my 2108 2500 6.7 (18k miles) seems to be cycling on and off when it is not really needed. For instance, it runs when I start the vehicle after sitting for days. While driving it'll cycling on and off at ambient air and coolant temperatures when I would not expect it to...
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