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P1670 Diagnostic Trouble Code Discussion for March 2004

Output Driver 4 Voltage High Input


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Trouble Ticket Help Requests for DTC P1670
Help Request Posted
1998 Ford E-350 Econoline Club Wagon Custom 7.3L Hesitation, Surge VIN: 1FTSE34F8W
P1670: EF Feedback Signal Not Detected. ... will bog down and lack power while cruising and on accell slightly, sounds as if exhaust gets restricted then clears out, on & off a couple of times and then clears up, got codes p0476 (exhaust control valve performance, p1670, ef signal not detected, ...
March 03, 2004