P2273 - O2 Sensor Signal Stuck Rich - Bank 2, Sensor 2
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P2273 - O2 SENSOR SIGNAL STUCK RICH - BANK 2, SENSOR 2
| 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: FUEL CONTROL . | ||