P2191 OBD-II：系统在较高负载时过剩 OBD-II故障代码P2191是什么意思？
OBD-II 代码 发动机性能下降定义为系统在较高负载下过稀
发动机控制模块（PCM）使用多个传感器确定保持发动机高效运行所需的燃油量。 如果 PCM 无法实现所需的燃油和空气平衡，则会设置代码 P2191。
有此故障代码的车辆应送至修理厂进行诊断。 查找修理厂
发动机性能下降 症状
触发P2191代码的常见问题
- 空气过滤器堵塞
- 火花塞损坏或污染
- 发动机传感器故障
- 排气管泄漏
- 喷油器故障
- 动力总成控制模块（PCM）软件需要更新
- 燃料不符合制造商的要求
P2191代码所需的常见维修
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.
