P2271 Diagnostic Trouble Code Discussion for March 2023
Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Biased Rich
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 P2271
| Help Request | Posted | |
| 2009 Ford Escape XLS 2.5L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FMCU92779 hi everyone. Im having a real hard time with this thing. soooo it came in a month ago from another shop. it had all kinds of parts thrown at it. plugs, coils, injectors, map, o2 sensors,ect. It ran rich with a miss. scaned, found a p0302. did a compression... |
March 28, 2023 |
