× 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

P0173 Diagnostic Trouble Code Discussion for August 2008

Fuel Trim Lean Or Rich (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 P0173
Help Request Posted
1998 Mercedes-Benz CL600 6.0L MIL Lamp on VIN: WDBGA76G6W
P0173: b left ctp idle self-adaption at limit fuel trim malfunction. ... and StarTekInfo equipped shop. We have searched DTB's, bulletins, and the IATN database for help with this unusal issue. This CL600 V12 M120 ME equipped vehicle sets a P0173 fault code after every two key cycle test drive (MIL comes on). We have tested and...
August 08, 2008
2001 Audi A6 Quattro Avant 2.8L Misfire, MIL Lamp on VIN: WAULH64B01
P0173: fuel trim bank 2. The car has a lean miss at idle and a slight hesitation on accel. The mil code P0174 (I believe Audi code 16558) came back in a couple days. I don't have a VAG scanner so I can't go too deep into the car. Can a O2 sensor cause this on #2 bank? Should I measure...
August 28, 2008
2000 Mercedes-Benz E320 3.2L MIL Lamp on VIN: WDBJF65JXY
P0173: fuel trim bank 2. let me first say that I am not very well versed on mercedes, however; I retrieved to two codes from history. Flow charts do not seem to reveal very much information on these codes. I have checked fuel pressure 57 psi running, I also checked for air leaks in ...
August 30, 2008