福特福睿斯左前氧传感器 ED8A-9F472-AB 精准检测

For Ford Fares 1.5L and 1.0T models, left-front oxygen sensor OEM ED8A-9F472-AB; installed on exhaust manifold or front pipe; monitors exhaust gas oxygen content and feeds ECU to adjust air-fuel ratio; maintenance to ensure fuel economy and emission compliance. Replacement time about 0.5-1 hour; professional technician recommended. If symptoms include rough idle, elevated fuel consumption, weak acceleration, or MIL illumination, sensor may be contaminated or aged; replacement prevents catalytic converter blockage.