Standard No.:	HJ 439-2008
English Name:	In-service conformity of compression ignition and gas fuelled positive ignition engines of vehicles
Chinese Name:	车用压燃式、气体燃料点燃式发动机与汽车在用符合性技术要求
Chinese Classification:	T10    Automotive engines in general
Professional Classification:	HJ    Professional Standard - Environment
ICS Classification:	43.060.01 43.060.01    Internal combustion engines for road vehicles in general 43.060.01
Source Content Issued by:	Ministry of Environmental Protection
Issued on:	2008-06-24
Implemented on:	2008-7-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	4000 words
Translation Price(USD):	110.0
Delivery:	via email in 1~3 business day

本标准规定了装用压燃式发动机汽车及其压燃式发动机、装用以天然气（NG）或液化石油气（LPG）作为燃料的点燃式发动机汽车及其点燃式发动机的在用车/发动机符合性技术要求。
本标准适用于设计车速大于25km/h的M2、M3、N1、N2和N3类总质量大于3500kg的M1类机动车装用的压燃式（含气体燃料点燃式）发动机及其汽车的在用车/发动机符合性检查。