DTC P2271: O2 Sensor Signal Stuck Rich - Bank 1, Sensor 2
WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, 2011 Ford Fusion, 2010 Mercury Milan, and 2010 Ford Fusion. 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 | GO to PINPOINT TEST H . | ||