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P0133 Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 1 You Could need a new O2 sensor !
A lean-to-rich transition is indicated when the HO2S voltage changes from less than 300 mV to more than 600 mV. A rich-to-lean transition is indicated when the HO2S voltage changes from more than 600 mV to less than 300 mV. A HO2S that responds too slowly is likely to be faulty and should be replaced
This is something that needs to be checked with a scan tool or a volt meter set on millivolts . A scan tool is preferable !
How does the vehicle run ? ruff - smooth , does it have a misfire ? P0133 O2 Slow Response 2007 Hyundai Tiburon
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