× 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

P0174 Diagnostic Trouble Code Discussion for October 2020

Fuel System Lean (Bank 2)

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 P0174
Help Request Posted
2001 Ford Taurus SES 3.0L MIL Lamp on VIN: 1FAFP55UX1
P0174: Too lean bank 2. Initial freeze frame data 20 mph 71% load stft1 10.2 stft2 10.2 ltft1 25 ltft2 25. Searching iatn found a reply and checked o2 sensors at wot all sensors dropped to below 50 millivolts. Previous post says fuel supply issue. No fuel pressure regulator or se...
October 15, 2020