DTC P1131: Lack of HO2S-11 Switch, Sensor Indicates Lean
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P1131 - LACK OF HO2S-11 SWITCH, SENSOR INDICATES LEAN
| Description: | A heated oxygen sensor (HO2S) indicating lean at the end of a test is trying to correct for an over-rich 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 P1130 . | ||
| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | - | GO to H: Fuel Control STEP H16. | GO to H: Fuel Control STEP H16. |