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P1670 Diagnostic Trouble Code Discussion for May 2009

Output Driver 4 Voltage High Input

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Trouble Ticket Help Requests for DTC P1670
Help Request Posted
2000 Ford F-450 Super Duty XL 7.3L No Start, Stall VIN: F123F1X000
P1670: EF Feedback Signal Not Detected. ... towed in no start...cranks fine. I ran codes got a po340,p1211,p1212,p1670 so in installed a new CPS sensor cleared codes...still no start. Checked oil - 2 quarts low - added 2 quarts started right up and ran for about 1 minute---then it started running li...
May 15, 2009