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P1670 Diagnostic Trouble Code Discussion for March 2008

Output Driver 4 Voltage High Input

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Trouble Ticket Help Requests for DTC P1670
Help Request Posted
2000 Ford F-250 Super Duty Lariat 7.3L No Start VIN: 1FTNW20F8Y
P1670: EF Feedback Signal Not Detected. Truck came inrunning horribly in parking lot... customer came inside and truck died outside... unable to restart... checked glow plug circuit and checked out ok.. checked oil level in high pressure oil resovior and was 3/4 of an inch from the top... tried to s...
March 19, 2008
1998 Ford E-350 Econoline Club Wagon Custom 7.3L Excessive Emissions, Hesitation, Poor Fuel Economy VIN: 1FTSE34F9W
P1670: EF Feedback Signal Not Detected. ... td and im not diesel mechanic, im just try to help a very valuable customer. this truck limped in litteraly on idle not gas pedal response what so ever. i pulled codes and did cylinder contribution test found codes p0263 cylinder 1 contribution fault p0269...
March 26, 2008