P2271 - O2 Sensor Signal Stuck Rich - Bank 1, Sensor 2
WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
P2271 - O2 SENSOR SIGNAL STUCK RICH - BANK 1, SENSOR 2
| Description: | See the description for DTC P2270. | |||
| Possible Causes: | See the possible causes for DTC P2270. | |||
| Diagnostic Aids: | ||||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory | |
| All | refer to PINPOINT TEST H . | |||