DTC P1157 - Lack Of HO2S22 Switches - Sensor Indicates Lean
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DTC DESCRIPTION P1157 - LACK OF HO2S22 SWITCHES AND SENSOR INDICATES LEAN
| Description: | The heated oxygen sensor bank 2, sensor 2 (HO2S22) is forced rich and lean and monitored by the PCM. This DTC sets when the PCM does not detect the output of the HO2S22 in a calibrated amount of time. | ||
| Possible Causes: |
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| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST H . | ||