P0172 Diagnostic Trouble Code Discussion for August 2026
Fuel System Rich (Bank 1)
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 P0172
| Help Request | Posted | |
| 2005 Mini Cooper 1.6L MIL Lamp on VIN: WMWRC33505 P0172: Bank 1 Rich. ... causes of a P0172. Did some initial checks but didn't really find anything. I isolated the pcv system and purge valve along with checking for fuel in the vacuum line to the pressure regulator. no change in data long term fuel trims staying around -14% ... |
August 14, 2026 |
