{"id":7575,"date":"2026-06-09T11:15:14","date_gmt":"2026-06-09T03:15:14","guid":{"rendered":"https:\/\/www.chinaautoregs.com\/?p=7575"},"modified":"2026-06-09T11:15:14","modified_gmt":"2026-06-09T03:15:14","slug":"hj-439-2008%e8%8b%b1%e6%96%87%e7%89%88%e7%bf%bb%e8%af%91-%e8%bd%a6%e7%94%a8%e5%8e%8b%e7%87%83%e5%bc%8f%e3%80%81%e6%b0%94%e4%bd%93%e7%87%83%e6%96%99%e7%82%b9%e7%87%83%e5%bc%8f%e5%8f%91%e5%8a%a8","status":"publish","type":"post","link":"https:\/\/www.chinaautoregs.com\/?p=7575","title":{"rendered":"HJ 439-2008\u82f1\u6587\u7248\u7ffb\u8bd1 \u8f66\u7528\u538b\u71c3\u5f0f\u3001\u6c14\u4f53\u71c3\u6599\u70b9\u71c3\u5f0f\u53d1\u52a8\u673a\u4e0e\u6c7d\u8f66\u5728\u7528\u7b26\u5408\u6027\u6280\u672f\u8981\u6c42"},"content":{"rendered":"<div>ChinaAutoRegs|HJ 439-2008\u82f1\u6587\u7248\u7ffb\u8bd1\u300a\u8f66\u7528\u538b\u71c3\u5f0f\u3001\u6c14\u4f53\u71c3\u6599\u70b9\u71c3\u5f0f\u53d1\u52a8\u673a\u4e0e\u6c7d\u8f66\u5728\u7528\u7b26\u5408\u6027\u6280\u672f\u8981\u6c42\u300b<\/div>\n<div>In-Service Conformity of Compression Ignition and Gas Fueled Positive Ignition Engines of Vehicles<\/div>\n<div><\/div>\n<p><!--more--><\/p>\n<div>CONTENTS<\/div>\n<div><\/div>\n<div>Foreword<\/div>\n<div>1 Scope<\/div>\n<div>2 Normative References<\/div>\n<div>3 Terms and Definitions<\/div>\n<div>4 In-Service Vehicle\/Engine Conformity Requirements<\/div>\n<div>5 In-Service Vehicle\/Engine Conformity Check<\/div>\n<div>Annex A (Normative) Requirements for In-Service Vehicle\/Engine Conformity Report<\/div>\n<div><\/div>\n<div>1 SCOPE<\/div>\n<div>This standard specifies the technical requirements for in-service conformity (ISC) of the vehicle equipped with a compression-ignition engine (CIE) and its CIE and the vehicle equipped with a positive-ignition engine (PIE) fueled with natural gas (NG) or liquefied petroleum gas (LPG) and its PIE.<\/div>\n<div>This standard is applicable for checking the in-service conformity of the vehicles of Categories M2, M3, N1, N2 and N3 with a design speed exceeding 25 km\/h and the Category M1 vehicles with a gross mass exceeding 3,500 kg, as well as their CIEs (including gas-fueled PIEs) installed.<\/div>\n<div>The vehicles of Categories N1 and M2 equipped with a CIE (including gas-fueled PIE) that have been subjected to the ISC check according to GB 18352.3-2005 \u201cLimits and measurement methods for emissions from light-duty vehicles (III, IV)\u201d may be exempted from this standard.<\/div>\n<div>2 NORMATIVE REFERENCES<\/div>\n<div>This standard refers to the following documents or the provisions contained therein. For undated references, the valid edition of the documents applies.<\/div>\n<div>GB 17691 Limits and measurement methods for exhaust pollutants from compression ignition and gas fueled positive ignition engines of vehicles (III, IV, V)<\/div>\n<div>GB 18352.3-2005 Limits and measurement methods for emissions from light-duty vehicles (III, IV)<\/div>\n<div>HJ 437-2008 Technical specification for on-board diagnostic (OBD) system of compression ignition and gas fueled positive ignition engines of vehicles<\/div>\n<div>HJ 438-2008 Durability of emission control systems of compression ignition and gas fueled positive ignition engines of vehicles<\/div>\n<div>3 TERMS AND DEFINITIONS<\/div>\n<div>For the purposes of this standard, the terms and definitions established in GB 17691, HJ 437-2008 \u201cTechnical specification for on-board diagnostic (OBD) system of compression ignition and gas fueled positive ignition engines of vehicles\u201d and HJ 438-2008 \u201cDurability of emission control systems of compression ignition and gas fueled positive ignition engines of vehicles\u201d apply.<\/div>\n<div>\n<hr \/>\n<\/div>\n<div>\u73b0\u6210\u8bd1\u6587\uff0c\u5230\u6b3e\u5373\u53d1\uff08\u517c\u5177\u9ad8\u6027\u4ef7\u6bd4\u4e0e\u53ca\u65f6\u6027\uff09\u3002<br \/>\n\u4e0b\u5355\u524d\u53ef\u4efb\u53d6\u6837\u9875\u9a8c\u8bc1\u8bd1\u6587\u8d28\u91cf\u3002<br \/>\n\u514d\u8d39\u63d0\u4f9b\u6b63\u89c4\u666e\u901a\u589e\u503c\u7a0e\u7535\u5b50\u53d1\u7968\u3002<br \/>\n\u8bf7\u8054\u7cfb\u624b\u673a\/\u5fae\u4fe1: 13306496964\/Email: standardtrans@foxmail.com \u83b7\u53d6\u5b8c\u6574\u8bd1\u6587\u3002<br \/>\n\u672c\u82f1\u6587\u8bd1\u672c\u4e3a\u7eaf\u4eba\u5de5\u4e13\u4e1a\u7cbe\u7ffb\u7248\u672c\uff0c\u4fdd\u8bc1\u8bed\u6cd5\u672f\u8bed\u51c6\u786e\u7387\u548c\u4e13\u4e1a\u5ea6\uff01\u975eAI\u8bd1\u6587\u53ef\u6bd4\uff01<br \/>\n\u4e13\u4e1a\u6e90\u4e8e\u4e13\u6ce8|ChinaAutoRegs \u59cb\u7ec8\u4e13\u6ce8\u4e8e\u6c7d\u8f66\u6807\u51c6\u7ffb\u8bd1\u9886\u57df\uff01\u300c\u4e2d\u56fd\u6c7d\u8f66\u6807\u51c6\u8bd1\u6587\u5e93\u300d\u5df2\u6536\u5f55\u4e0a\u5343\u4e2a\u73b0\u884c\u6c7d\u8f66\u56fd\u5bb6\u6807\u51c6\u548c\u884c\u4e1a\u6807\u51c6\u7684\u82f1\u6587\u7248\u8bd1\u672c\uff0c\u6db5\u76d6\u4f20\u7edf\u71c3\u6cb9\u8f66\u3001\u65b0\u80fd\u6e90\u6c7d\u8f66\u548c\u6469\u6258\u8f66\u6807\u51c6\u5316\u4f53\u7cfb\uff01\u72ec\u5bb6\u6253\u9020\u5343\u4e07\u7ea7\u6c7d\u8f66\u4e13\u4e1a\u672f\u8bed\u5e93\u548c\u8bb0\u5fc6\u5e93\u3002<br \/>\nThe English Translation of this document is readily available, and delivered immediately upon payment.<br \/>\nSample pages may be requested to your preference before placing order.<br \/>\nPlease contact standardtrans@foxmail.com for the complete PDF version in English.<br \/>\nOur well-established database has included almost all Chinese automotive standards in effect, providing one-stop, up-to-date, efficient and professional solution.<\/div>\n","protected":false},"excerpt":{"rendered":"<p>ChinaAutoRegs|HJ 439-2008\u82f1\u6587\u7248\u7ffb\u8bd1\u300a\u8f66\u7528\u538b\u71c3\u5f0f\u3001\u6c14\u4f53\u71c3 &hellip; 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