I have a 2003 ford taurus and one day I was driving home and the street to turn on to my apartment has a sort of a deep slope and once I went up it my car made this loud noise and stalled into idle. After pushing it down the street I had a friend check the diagnostic reader and it said cylinder 1 misfire. The engine turns over When started but it is still making that Loud noise and stays in idle, my grandma's friend said it might be the tranny but I don't want to sell it if the problem is fixable. Can anyone help?
Also I have replaced the number 1 spark plug, but nothing changed.
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