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Hillsdale, IL | I would think that you would have to use oil that meets their specification....It doesn't have to be Motorcraft oil but it may have to meet a certain spec. I know on my wife's car there's only a few oils that meet the manufacturers spec. Im not going to chance a 10000 engine on a few dollars saved on oil change. I still perform it myself, but I use oil that meets spec. If its an EcoBoost, im sure that its synthetic and there may only be a few brands that will meet it. | |
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Hypithetical Ford warranty question
