× 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

P0040 Diagnostic Trouble Code Discussion for March 2014

Oxygen Sensor Signals Swapped, Bank 1 Sensor 1 - Bank 1 Sensor 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 P0040
Help Request Posted
2004 Ford Taurus SE 3.0L Excessive Emissions, Poor Idle Quality, Surge, MIL Lamp on VIN: 1FAFP53U54
... from a used car dealer with a crank no start condition we replaced the fuel pump for no pressure and car started dealer picked up the vehicle and came back three days later with the check engine light on and the car running very rough at idle thats when we...
March 10, 2014