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    2017 3.7 PIU misfire codes 4.5.6 after new water pump

    Had shop replace water pump, timing chain, vvts, and all the rest. 5k. Took them 3x in a period of 2.5 wks to get it to run right. But alas, it's not. Before I could FOT at any point, regardless of speed etc and it would just get up n go. Now it blows codes misfire 4.5.6. There 5...
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