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P1670 Diagnostic Trouble Code Discussion for November 2005

Output Driver 4 Voltage High Input

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Trouble Ticket Help Requests for DTC P1670
Help Request Posted
2001 Ford F-350 Super Duty Lariat 7.3L No Start VIN: 3FTSW30F71
P1670: EF Feedback Signal Not Detected. Came in no start/start and stall. Found inconsistent rpm. Replace cam sensor, now good rpm signal oil pressure ok Injection pressure ok fuel pressure ok no air in fuel filter, will start very briefly and stall, if key kept in start position it will start/stall...
November 07, 2005