P0136: Ho2S Sensor Circuit Malfunction (Ho2S-12)
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.
P0136 - HO2S SENSOR CIRCUIT MALFUNCTION (HO2S-12)
| Description: | The downstream HO2Ss are continuously checked for maximum and minimum voltages. The test fails when the voltages fail to meet the calibrated limits. | ||
| Possible Causes: |
|
||
| Diagnostic Aids: | - | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | - | - | GO to PINPOINT TEST H: FUEL CONTROL Step 58. |