× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P1670 Diagnostic Trouble Code Discussion for July 2006

Output Driver 4 Voltage High Input

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P1670
Help Request Posted
2000 Ford F-350 Super Duty Lariat 7.3L No Start VIN: 3FTSX31F1Y
P1670: EF Feedback Signal Not Detected. Good morning, thanks in advance. A challenge for you Diesel guys. Truck was towed in no start. A couple days before it was at another shop with a no start problem, they replaced the lift pump. When cranking it will try to start and occasionally ping hard like ...
July 24, 2006