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  1. Miketc31

    2021 Ram 1500 MDS Sensor Failure

    Hello all, Well it started out as a simple oil change and tire rotation. Started driving and noticed my check engine light had turned on. From what the shop said, it a MDS sensor in cylinder 1 that is shot. I did notice the tuck did not enter the ECO mode anymore. I have been trying to read...
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