Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHYUNDAI2013GENESIS COUPE 2.0T PREMIUMREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 40 (ENGINE CONTROL SYSTEM (DTC TROUBLESHOOTING) (2 OF 4) - 3.8L)DTC P0159: O2 SENSOR CIRCUIT SLOW RESPONSE (BANK 2/SENSOR 2)SPECIFICATION
2013 Hyundai Genesis Coupe 2.0T Premium
DTC P0159: O2 Sensor Circuit Slow Response (Bank 2/Sensor 2): Specification
2013 Hyundai Genesis Coupe 2.0T PremiumSECTION Specification
WARNING: This page is about a different car, the 2012 Hyundai Genesis Coupe. However, it is still accessible from the selected car via links, so may be relevant.
(Reference only)
SPECIFICATION CHART
| Test Condition | HO2S Voltage (Sensor 1) | HO2S Voltage (Sensor 2) |
|---|---|---|
| HO2S signal at idle after warm-up | signal is commonly switching from rich to lean more than 3 times in 10 sec. | signal is commonly above 0.6V. |
| HO2S signal at open circuit (Pumping current OFF) | Approx. 0.45V | |
| HO2S signal at open circuit (Pumping current ON) | Approx. 2.2V | |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.