What does the fault code P0132 in Dongfeng Nissan vehicles mean?
2 Answers
Dongfeng Nissan fault code P0132 indicates a high voltage in the oxygen sensor circuit. This fault code represents a malfunction in the oxygen sensor circuit. The function of the vehicle's oxygen sensor is to detect the oxygen content in the engine and adjust the engine's fuel injection volume based on the oxygen content to achieve an optimal air-fuel ratio. Dongfeng Nissan Passenger Vehicle Company is a passenger vehicle manufacturer under Dongfeng Motor Co., Ltd., established in June 2003. The company is primarily engaged in the research, procurement, manufacturing, sales, and service of NISSAN brand passenger vehicles. Nissan's models include: QASHQAI, LIVINA, TIIDA, MARCH, and Neo Teana.
My Dongfeng Nissan car reported a P0132 fault code, and I found out that it indicates an upstream oxygen sensor voltage that's too high. The oxygen sensor is responsible for monitoring the oxygen content in the exhaust and tells the computer whether to adjust the fuel amount. When the voltage is too high, it could be due to a short circuit in the sensor itself, aging or broken wires causing poor grounding, or the fuel system injecting too much fuel, making the air-fuel mixture too rich. This directly affects the driving experience, such as a sudden increase in fuel consumption, the engine light turning on, sluggish acceleration, or even strange exhaust smells. If left untreated for a long time, it might damage the catalytic converter, which would be expensive to repair. So, I suggest first checking if the sensor connector is loose. If you can't fix it yourself, take it to a professional repair shop as soon as possible to diagnose the exact cause with a diagnostic tool. Safety first—don't wait until the car breaks down to panic.
