P2402 OBD-II：蒸发排放系统检漏泵控制电路 OBD-II故障代码P2402是什么意思？
OBD-II代码P2402被定义为蒸发排放系统检漏泵控制电路。
检漏泵是蒸发排放系统的一部分。 车辆熄火数小时后，检漏泵将打开并在EVAP系统中形成真空。 发动机计算机（PCM）在车辆熄火时进行该测试。 如果PCM未按要求激活检漏泵，或未在EVAP系统中形成真空，则PCM将设置代码P2402.
触发P2402代码的常见问题
- 蒸发检漏泵故障
- 动力总成控制模块（PCM）故障
- 接线问题
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.
