P2271 - O2 Sensor Signal Stuck Rich - Bank 1, Sensor 2
WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 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 | GO to PINPOINT TEST H . | ||