玛莎拉蒂氧传感器 670009075 0258027100 原厂标准

Maserati oxygen sensor (OEM 670009075 / 0258027100) installed on exhaust manifold or exhaust pipe; continuously monitors oxygen in exhaust and transmits signal to ECU to precisely adjust air-fuel ratio, improving combustion efficiency. Fits Ghibli, Levante, Quattroporte and other models; installation difficulty: medium; labor about 0.5–1 hour. When engine warning light on, fuel economy spikes, idle unstable, or acceleration weak, oxygen sensor aging or failure is indicated; replace promptly to restore performance.