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P1670 Diagnostic Trouble Code Discussion for January 2008

Output Driver 4 Voltage High Input

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Trouble Ticket Help Requests for DTC P1670
Help Request Posted
2001 Ford Excursion Limited 7.3L Stall VIN: 1FMSU43F11
P1670: EF Feedback Signal Not Detected. ... intermittent dying problem and it sets codes p0344,p1670,and sometimes p0340. We replaced the cam sensor 3 times and retensioned the wire terminals. I wiggled all the wiring and inspected C138. I scoped the cam sensor but ...
January 11, 2008