P0151 OBD-II: O2传感器电路低电压 OBD-II故障代码P0151是什么意思？
故障代码定义
代码P0151的目的是跟踪氧传感器或空燃比传感器从显示燃油控制系统处于开环状态到快速切换到高于和低于450毫伏设定点所需的时间，从而显示燃油控制系统处于闭环状态。 当氧传感器发出持续低电压信号达一定时间时，P0151被设定为 "闭环"。规定的时间。
前氧传感器症状
- 发动机检查指示灯点亮
- 在许多情况下，可能不会发现异常症状
- 在许多情况下，排放会升高
- 燃油经济性差
触发P0151代码的常见问题
- 氧传感器故障
- 氧传感器接线或连接故障
- 动力总成部件运行故障
常见误诊
- 当问题是氧传感器接线或连接故障时，更换氧传感器。
- 当出现真空泄漏或质量空气流量传感器故障时，更换氧传感器。
Ronald Thomas
Jeremy Cruz is a highly experienced automotive enthusiast and a prolific writer in the field of auto repair and maintenance. With a passion for cars that dates back to his childhood days, Jeremy has devoted his career to sharing his knowledge and expertise with consumers who seek reliable and accurate information about keeping their vehicles running smoothly.As a trusted authority in the automotive industry, Jeremy has worked closely with leading manufacturers, mechanics, and industry experts to gather the most up-to-date and comprehensive knowledge in auto repair and maintenance. His expertise extends to a wide range of topics, including engine diagnostics, routine maintenance, troubleshooting, and performance enhancement.Throughout his writing career, Jeremy has consistently provided consumers with practical tips, step-by-step guides, and trusted advice on all aspects of auto repair and maintenance. His informative and engaging content allows readers to understand complex mechanical concepts easily and empowers them to take control of their vehicle's well-being.Beyond his writing skills, Jeremy's genuine love for automobiles and innate curiosity have driven him to constantly stay abreast of emerging trends, technological advancements, and industry developments. His dedication to informing and educating consumers has been recognized by loyal readers and professionalsalike.When Jeremy isn't immersed in automobiles, he can be found exploring scenic driving routes, attending car shows and industry events, or tinkering with his own collection of classic cars in his garage. His commitment to his craft is fueled by his desire to help consumers make informed decisions about their vehicles and ensure they have a smooth and enjoyable driving experience.As the proud author of the blog for the leading provider of auto repair and maintenance information to consumers, Jeremy Cruz continues to be a reliable source of knowledge and guidance for car enthusiasts and everyday drivers alike, making the road a safer and more accessible place for all.
