How to Determine the Emission Standard of a 2009 Vehicle

1 Answers
SanIsabelle
07/25/25 9:08am
2009 vehicles are either China III or China IV emission standard. The specific model needs to be checked for accurate determination. Vehicle emission standards refer to regulations on the content of harmful gases emitted from vehicle exhaust, including CO (carbon monoxide), HC+NOx (hydrocarbons and nitrogen oxides), and PM (particulate matter, soot). Vehicle emission standards are divided into the following five phases: 1. Phase I GB18352.1-2001 'Limits and Measurement Methods for Emissions from Light-Duty Vehicles (I)', equivalent to EU Directive 93/59/EC, partially referencing technical content from Directive 98/77/EC, equivalent to Euro I. 2. GB18352.2—2001 'Limits and Measurement Methods for Emissions from Light-Duty Vehicles (II)', equivalent to EU Directive 96/69/EC, partially referencing technical content from Directive 98/77/EC, equivalent to Euro II. 3. GB18352.3-2005 'Limits and Measurement Methods for Emissions from Light-Duty Vehicles (China III and IV Phases)', partially equivalent to Euro III. 4. Partially equivalent to Euro IV. China's Light-Duty Vehicle III and IV emission standards are identical to Euro III and Euro IV in terms of pollutant emission limits, but with some improvements in testing methods and significant differences in regulatory format compared to Euro III and Euro IV standards. 5. GB18352.5-2013 'Limits and Measurement Methods for Emissions from Light-Duty Vehicles (China V Phase)'.
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