P2270

O2 SENSOR 1/2 OUT OF RANGE HIGH

NHTSA 10189369 ↗

HO2S (RH) signal stuck lean

NHTSA 10154455 ↗

HONDA

"Service Bulletin - Burning oil smell from under hood and/or MIL comes on with DTC P2096 and/or P2270 due to possible porosity in the cylinder head cover bolt hole may cause oil to weep out onto Bank 1 (Rear Cylinder Head) catalytic converter and oxygen sensor. Some cases will turn on the MIL, setting DTC P2096 and/or P2270."

VOLVO

This is a Technical Journal: Check engine lamp and DTC - ECM P227000

MAZDA

Some customers may complain of a check engine light on while driving the vehicle. If DTCs P2A04:00, P2272:00 and/or other DTCs are found during diagnosis, follow the repair procedure below. P2A04:00 - HO2S (LH) circuit range/performance, P2272:00 - HO2S (LH) signal stuck lean, P2270:00 - HO2S (RH) signal stuck lean, P2A01:00 - H…

SUBARU

2.0L DIT Models only. This bulletin announces the availability of reprogramming files to optimize the ECM. These files will address a customer concern of the Check Engine Light illuminating as a result of DTC P2270 being stored in the ECM.