With my Edge, I didn't see all of the codes that the Ford tech brought up...there were 2 or 3 4x4 codes that came up when my vacuum module crapped the bed and the Edge never showed them. The Edge only showed the P0171 code for a lean condition from a bad COP. Any idea why it would see certain codes and not others?
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2005 F-250 CC Lariat 6.0L
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