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Hyundai Equus: Heated Oxygen Sensor (HO2S) Troubleshooting - Engine Control System - Engine Control/Fuel System - Hyundai Equus VI 2009-2026 Service ManualHyundai Equus: Heated Oxygen Sensor (HO2S) Troubleshooting

Signal Waveform

Fig.1) The signal waveforms of front HO2S(the upper) and heater(the lower) at idle
Fig.2) The signal waveforms of rear HO2S(the upper) and heater(the lower) at idle
Fig.3) Typical waveforms of front HO2S(the upper) and rear HO2S(the lower).
    Heated Oxygen Sensor (HO2S) Specifications
    Specification A/F Ratio (x)Output Voltage(V)RICH0.6 ~ 1.0LEAN0 ~ 0.4 ItemSpecificationHeater Resistance (x)Approx. 9.0 [21°C(69.8°F)] ...

    Heated Oxygen Sensor (HO2S) Schematic Diagrams
    Circuit Diagram ...

    See also:

    Engine compartment
    1. Engine coolant reservoir 2. Radiator cap 3. Brake fluid reservoir 4. Air cleaner 5. Engine oil dipstick 6. Engine oil filler cap 7. Windshield washer fluid reservoir 8. Fuse box 9. Power ...

    Air conditioning refrigerant
    Check the air conditioning lines and connections for leakage and damage. ...

    MTS Antenna Repair procedures
    Removal 1. Remove the roof antenna. (Refer to Audio - "Antenna") (Refer to AVN System - "Roof Antenna") Installation 1. Install the roof antenna. (Refer to Audio - "Antenna") (Refer to AV ...

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