What is the fault code for the oxygen sensor?

[DeSpencer]

Oxygen sensor refers to a sensor that monitors exhaust gases, responsible for measuring the oxygen content in vehicle emissions. Normally, after the vehicle exhaust is emitted, the mixture sends a signal to the computer to determine the size of the oxygen sensor's fault code, allowing the computer to readjust the fuel supply. The fault codes for the oxygen sensor include: P0139 to P0147, specifically as follows: 1. P0134 indicates no signal from the upstream oxygen sensor. 2. P135 is a fault in the first sensor of the first group of the oxygen sensor's heating circuit. 3. P0141 indicates a fault in the oxygen sensor heater circuit.

[MacNora]

When the oxygen sensor malfunctions, the system will illuminate the fault light, but there are multiple possible trouble codes. The most common is P0130, indicating an issue with the oxygen sensor circuit, such as aging or short-circuited wiring. You might also encounter P0131 or P0132, which signal abnormal voltage due to decreased sensor sensitivity. Some codes like P0133 indicate a slow response, often caused by oil contamination. Check the dashboard—if the light is on, use an OBD scanner to read the code and pinpoint the issue accurately. Don’t delay; repair it promptly, or fuel consumption will increase and environmental pollution will worsen.

[McMalachi]

Hey, last time my car's oxygen sensor malfunctioned, the check engine light came on, so I plugged a diagnostic tool into the OBD port to check. The code showed P0130, which means the sensor signal was interrupted. You can also check it yourself: first warm up the car for a few minutes, then use a tool to scan the code; next, test whether the sensor voltage is within the normal range of 0.1 to 0.9V. If it's too far off or not moving, it might be broken. Remember to try cleaning off any dust, and if that doesn't work, you'll need to replace it. Don't let engine carbon buildup drag down the power.

[Sid]

From my years of driving experience, oxygen sensor trouble codes are quite common. The most frequent ones are P0130 or P0133 - when the light comes on, it means the sensor isn't accurately detecting oxygen levels, affecting the air-fuel ratio. I once encountered P0131 indicating low voltage, which turned out to be chewed wiring from rodents. Don't panic immediately - first check for loose connectors and clean carbon deposits. These codes are all documented in the manual, but I recommend having a technician scan them properly with diagnostic equipment to avoid misdiagnosis.

[DeJohn]

Oxygen sensor issues triggering trouble codes demand safety first! Codes like P0130 or P0132 indicate circuit risks that may ignite the engine. My friend's car had P0131—when the light came on, he stopped to check the voltage; if abnormal, shut off the engine immediately to prevent further damage. Regularly clean areas prone to dust buildup and maintain good ventilation. If the dashboard light stays on, head straight to the repair shop to prevent explosion hazards.