Excursion 6.8 p0720 p0722
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Mountain Pass
Joined: Jun 2020
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Excursion 6.8 p0720 p0722
2002 ford excursion 6.8 4x4. I have the p0720 and p0722 codes with blinking od light. I've replaced oss and no change. Looked over harness and nothing seems to be hurt. I've read multiple forums where the alternator was the problem so I threw a remanufactured one on and no change. What else could be the problem or what should I check next?
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,717
Likes: 2,642
From: SE Florida
You should check the wiring. Looking at the wiring is a waste of time. You need to check it electrically. Check for continuity from end to end, short to power, and short to ground.
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