P0133 - O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)
DTC DESCRIPTION P0133 - O2 SENSOR CIRCUIT SLOW RESPONSE (BANK 1 SENSOR 1)
| Description: | The oxygen sensor response time is monitored while commanding a calibrated fuel control routine. This routine sets the air fuel ratio to a calibrated limit to produce a predictable oxygen sensor signal amplitude. This DTC sets when the oxygen sensor signal does not reach the predicted amplitude within a predetermined response time. | ||
| Possible Causes: |
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| Diagnostic Aids: | Access the HO2S test results from the scan tool to verify the DTC. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test DZ . | ||