What is the emission standard for a 2004 vehicle?

[StJade]

The emission standard for 2004 vehicles is China II (National Standard II). There are several ways to check your vehicle's emission standard: through the environmental protection label issued during vehicle inspection, by inquiring at the vehicle management office, or by checking the vehicle model catalog information on the Motor Vehicle Environmental Protection Network. Below are the methods to check your vehicle's emission standard: 1. The simplest and most direct way is to look at the vehicle's environmental protection label, which has clear markings on the back (however, environmental protection labels have not been issued since 2017). 2. Log in to the website of the Motor Vehicle Exhaust Pollution Supervision and Management Center to inquire. 3. Bring the original or a copy of the vehicle registration certificate to the vehicle management office for inquiry (this is the most accurate method). 4. For new vehicles, you can check the vehicle's factory certificate. However, the vehicle certificate is usually kept at the vehicle management office. Therefore, when purchasing a new car, it is recommended to make a copy for future reference. 5. Make a rough judgment based on the year the vehicle was registered.

[SanBraxton]

I've researched this, and the emission standards for 2004 vehicles mainly fall into two scenarios: July 1st was a key turning point back then. Vehicles manufactured before July generally still met China I standards, while new cars produced after July were upgraded to China II. This was because the government mandated automakers to comply with the new standards from that date onward. However, you can't judge this solely by the year - I've seen same-year, same-model cars with different standards. Some manufacturers implemented the policy early, switching production lines at the beginning of the year. Nowadays, these older vehicles face significant road restrictions, especially China I cars which are completely banned in regions like Beijing-Tianjin-Hebei, and they often fail annual emission tests. The most accurate way is to check for the 'China II' marking on the environmental label or registration certificate.

[GrahamLynn]

I've helped others check emissions for older cars several times. For 2004 models, the most straightforward method is to check the supplementary page of the vehicle registration certificate, which will indicate 'China I' or 'China II'. The DMV system records are also reliable references. The production month is crucial – I've seen an Audi A6 manufactured in June still labeled as China I, while a Santana made in August met China II standards. Don't panic if documents are lost; just provide the VIN to the inspection station, as they can retrieve the original records from their system. These vehicles face increasing road restrictions nowadays – last year, a friend's China I Passat was directly turned back when entering Shanghai and had to detour via national highways.

[StWeston]

The 2004 model year vehicles are becoming increasingly rare on the streets. Most of these cars meet the China II emission standards, but those manufactured in the first half of the year might still be China I. The biggest issue is the tightening environmental policies—since last year, China I vehicles have been largely banned from entering the second and third ring roads. I know an owner of a 2004 Buick Regal who failed the emissions test three times during last year's annual inspection and had to install a 2,000+ RMB purifier to barely pass. Now, the car can only be used as a backup vehicle in the suburbs. It's advisable to check the original records at the testing station—if it's labeled as China I, it's better not to bother and consider swapping it for a new energy vehicle, as the subsidies make it more cost-effective.