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P1670 Diagnostic Trouble Code Discussion for July 2010

Output Driver 4 Voltage High Input

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Trouble Ticket Help Requests for DTC P1670
Help Request Posted
2000 Ford F-350 Super Duty XLT 7.3L No Start VIN: 1FTWX33F1Y
P1670: EF Feedback Signal Not Detected. ... come in barely running. The truck had cold start problems having to use silicone spray to start it. After getting it started on silicone the the truck would start but run rough. the truck had p1670, p0340, p0380, p0470, p...
July 30, 2010