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Home >> Hyundai >> 2007 >> Veracruz GLS, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC Troubleshooting Procedures >> DTC P2A01 Ho2S Circuit Range/Performance (Bank 1/Sensor 2) >> Signal Waveform And Data

Signal Waveform And Data

Fig 1: Signal Waveform Of Front HO2S (Upper) And Rear HO2S (Lower)
G05329890Courtesy of HYUNDAI MOTOR CO.

After warming-up, if accelerator pedal is released suddenly around 4000rpm, the HO2S signal reading will be lower than 200mV resulting from Fuel cut-off for the moment. Conversely, if suddenly accelerator pedal is depressed, HO2S signal reading will be around 0.6V ~1.0V. At idle, HO2S signal will switch from lean to rich normally.

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