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  1. J

    Duramax running temp.

    Im having the same issue, I have a 2020 chevy 1500 with the 3.0 Duramax. My temp goes above 210 and it fluctuates. The flow control valve was recently replaced along with the radiator due to a small leak but the issue persists. Since so many people are having the same issue has anyone been able...
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