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  1. PO128 (Coolant thermo) Question

    DIY: Do It Yourself
    My Service Engine Soon light came on two weeks ago, so I brought it to AutoZone and they read the PO128 code. I checked the coolant level and I couldn't see any down the pipe (and the bobber was all the way down) so I purchased some coolant from them (some universal formula.. mistake??) Two...