P2270 Diagnostic Trouble Code Discussion for September 2012
Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Biased Lean
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 P2270
| Help Request | Posted | |
| 2006 Mazda Tribute S 3.0L MIL Lamp on VIN: 4F2YZ04186 P2270: Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Lean. ... only CODE: P2270: HO2S sensor signal stuck lean Bank 1 sensor 2, datalog O2S12 was dead, no signal @ all, replace new O2S, test drive vehicle and monitor HO2S all working good, return vehicle to customer. 3 months late vehicle come back in same CODE ( no o... |
September 17, 2012 |
