× 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

P0131 Diagnostic Trouble Code Discussion for April 2013

Air Fuel Sensor (Bank 1 Sensor 1) Circuit Low Input (Lean Shift)


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 P0131
Help Request Posted
2003 Dodge Ram 2500 5.7L MIL Lamp on VIN: 1D7KU28D03
P0131: o2 upstream circuit voltage low. Day after doining oil change customer came back with check engine light on. Code Po131 circuit voltage too low 02 sensor. Replaced with denso o2 sensor. I now have a new code Po171 system too lean. Replaced 02 sensor with bosch this time . Still have code Po17...
April 10, 2013