DTC P2196: Lack Of Ho2S-11 Switch, Sensor Indicates Rich
WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
P2196 - LACK OF HO2S-11 SWITCH, SENSOR INDICATES RICH
| Description: | A heated oxygen sensor (HO2S) indicating rich at the end of a test is trying to correct for an over- lean condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of time. | ||
| Possible Causes: | See the possible causes for DTC P2195. | ||
| Diagnostic Aids : | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test H . | ||