× 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

P1173 Diagnostic Trouble Code Discussion for May 2014

Electronic Throttle System Rationality

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 P1173
Help Request Posted
2004 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALMF11474
P1173: downstream fuel trim malfunction bank2 front sensor aged rear adaption too lean/rich. I've run out of ideas, need some help from Range rover guys! Fuel trims are low, Lt both sides around 5 and St +or- 2 to 3. Vehicle runs well, no other codes or problems, need it to run the O2 monitor to get through smog check as Ca only allows 1 and evap purg...
May 21, 2014