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po401 code

  1. 2011 Ranger dpfe code

    Hey everyone I just bought my 2011 Ford ranger with the 4.0 a few months ago knowing it had a po401 code thinking it was going to be a easy fix but, I was very wrong. It came with a new, egr valve the tube for the EGR on it so I figured it had to be the dpfe sensor. So I put the new one on and...

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