P0161: Ho2S Sensor Circuit Malfunction (Ho2S-22)
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2004 Mercury Sable, 2004 Mercury Mountaineer, 2004 Mercury Monterey, 2004 Mercury Marauder, and 2004 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
P0161 - HO2S SENSOR CIRCUIT MALFUNCTION (HO2S-22)
| Description: | See the description for DTC P0135. | ||
| Possible Causes: | See the possible causes for DTC P0135. | ||
| Diagnostic Aids: | See the diagnostic aids for DTC P0135. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| Dedicated NGV | GO to PINPOINT TEST HA: NATURAL GAS FUEL CONTROL Step 1. | GO to PINPOINT TEST HA: NATURAL GAS FUEL CONTROL Step 1. | GO to PINPOINT TEST HA: NATURAL GAS FUEL CONTROL Step 1. |
| All others | GO to PINPOINT TEST H: FUEL CONTROL Step 10. | GO to PINPOINT TEST H: FUEL CONTROL Step 10. | GO to PINPOINT TEST H: FUEL CONTROL Step 10. |