···
Log in / Register

What is the emission standard for 2006 vehicles?

4 Answers
Dave
08/29/25 6:08am

2006 vehicles comply with China II and China III emission standards. Vehicle emission standards refer to the regulations limiting harmful gases emitted from vehicle exhaust, including carbon monoxide, hydrocarbons, nitrogen oxides, particulate matter, and soot. Methods to check a vehicle's emission standard include: 1. Checking the vehicle's environmental protection compliance label; 2. Reviewing the initial page of the vehicle conformity certificate; 3. Estimating the emission standard based on the vehicle's manufacturing year; 4. Using the original or a copy of the motor vehicle registration certificate to inquire at the local vehicle management office. Emission standards include: China I, China II, China III, China IV, China V, and China VI.

Was this review help?
19
1
Share
VanColeman
09/11/25 3:49am

I've been driving for many years, and the emission standards for 2006 vehicles are quite a common issue. At that time, the country was implementing the China III standard, with most vehicles complying with China III, but the specific situation depends on the region and vehicle model. I remember that in 2006, major cities like Beijing and Shanghai already had higher requirements, with some vehicles even meeting China III ahead of schedule, while smaller cities might still have China II vehicles on the road. Nowadays, checking emission standards is very convenient—just look at the vehicle's nameplate or environmental label. Older emission standards can affect annual inspections and traffic restrictions, so I recommend paying special attention to emission levels when buying used cars to avoid being unable to drive a China III vehicle into the city during the China VI era. Additionally, maintaining older vehicles requires regular exhaust emission checks, as environmental issues can affect the overall driving experience and, in the long run, the resale value. In short, understanding emission standards is crucial for daily driving safety.

Was this review help?
6
1
Share
Expand All
Boromir
10/25/25 4:37am

I've checked some information, and most cars from 2006 basically meet the China III emission standards. The China III standard was fully implemented in 2007, but 2006 was a transition period, with many manufacturers upgrading their technology in advance. Compared to the current China VI standard, China III vehicles are somewhat outdated with higher exhaust emissions, and may face greater restrictions in cities with traffic limitations. To confirm the specific emission standard, I recommend checking the environmental information on the vehicle registration certificate or searching the database online using the VIN. I pay attention to these details because older cars failing to meet emission standards might not pass the annual inspection and could even incur fines. Regular maintenance should not overlook core components like the catalytic converter, as they directly affect emission performance. If considering a car replacement, choosing one with lower emissions can save a lot of hassle.

Was this review help?
18
2
Share
Expand All
LeMackenzie
12/08/25 5:01am

Regarding emission standards, most vehicles in 2006 complied with the China III standard. The national standards were upgraded from China I to China VI over the years, with China III being promoted in 2006. Although nationwide implementation occurred in 2007, automakers had already adapted many models in advance. Key differences lie in regional variations: for example, Beijing adopted China III as early as 2005, so most 2006 vehicles there were fully compliant; smaller cities might have had mixed compliance. Emissions directly impact air quality and urban policies, with some regions already restricting China III vehicles. To check, refer to the original manufacturer's manual or the environmental department's official website. Personally, I think understanding emissions is helpful for daily car use, as it can prevent unexpected travel restrictions.

Was this review help?
13
2
Share
Expand All
More Forum Discussions

What is the engine model of the Vision?

The engine model of the Vision is JL4G15, which is a 1.5-liter naturally aspirated engine. The Vision is a compact sedan, and this model is equipped with only one engine across the entire lineup. This 1.5-liter naturally aspirated engine has a maximum power output of 80 kilowatts, a maximum torque of 142 Newton-meters, a maximum power speed of 6000 revolutions per minute, and a maximum torque speed of 4400 revolutions per minute. The dimensions of the Vision are 4599 millimeters in length, 1747 millimeters in width, and 1482 millimeters in height, with a wheelbase of 2615 millimeters. The upgraded version of the new Vision complies with the China VI emission standards and is equipped with a new CVT transmission.
12
0
Share

What does OBD mean on a diesel vehicle?

OBD on a diesel vehicle stands for "On-Board Diagnostics." OBD is the abbreviation for On-Board-Diagnostics. The main function of this system is to monitor the engine while driving. Once the exhaust emissions exceed the standard (i.e., 1.5 times the emission standard for new vehicles), the malfunction indicator light will be illuminated, and a fault code will be stored. Relevant information about OBD is as follows: 1. The OBD device monitors multiple systems and components, including the engine, catalytic converter, particulate trap, oxygen sensor, emission control system, fuel system, EGR, etc. 2. OBD connects various emission-related component information to the Electronic Control Unit (ECU), which has the capability to detect and analyze faults related to emissions.
10
3
Share

Can a car battery be charged if the car is started but not moving?

It is possible to charge a car battery when the car is started but not moving, although the charging effect is not optimal, and it takes a long time to fully charge the battery. The prerequisite for charging is to ensure that all electrical appliances in the car (except for the engine running) are turned off. The car battery can be charged while idling, but to some extent, it will consume the car's fuel, and prolonged idling may also lead to carbon buildup in the engine. The following are precautions for charging a car battery: 1. First, as long as the generator is working, it can charge the battery, and the power source of the generator comes from the engine. 2. After the car is started, the engine begins to work, and the engine transmits power to the generator through the belt, thus starting to charge the battery.
10
2
Share

How Many Days Between Refueling for a Typical Family Car?

There is no uniform standard for how many days between refueling a typical family car, as it depends on the frequency of vehicle usage. For new cars with mileage under 20,000 kilometers, fuel additives are unnecessary. Vehicles exceeding 20,000 kilometers should add them as needed, with five consecutive uses forming one cleaning cycle for optimal results. Relevant information about gasoline is as follows: 1. Introduction: Gasoline is a volatile, flammable hydrocarbon mixture liquid distilled and cracked from petroleum, used as fuel. It appears as a transparent liquid, is flammable, and has a distillation range of 30°C to 220°C. 2. Key Characteristics: Important properties of gasoline include volatility, stability, anti-knock quality, corrosiveness, and cleanliness.
13
3
Share

What is the front suspension type of the Infiniti Q50?

The front suspension type of the Infiniti Q50 is a double-wishbone independent suspension, which is also equipped with a stabilizer bar. The rear suspension uses a multi-link independent suspension, and this model's rear suspension also features a stabilizer bar. Generally, cars that prioritize handling will use a double-wishbone independent suspension for the front and a multi-link independent suspension for the rear. The Infiniti Q50 is a sporty luxury sedan, with its large-sized front grille inspired by the Infiniti LE concept car. The new headlights, like those of the LE concept car, adopt an eagle-eye design. The body lines are very full and textured, with a rare wavy waistline. Combined with other aerodynamic designs, the car's drag coefficient is reduced to around 0.25.
10
5
Share

How many kilometers for the first maintenance of a new X-Trail?

X-Trail should undergo its first maintenance at around 3,000 kilometers. The main items for the first maintenance include changing the engine oil and oil filter. More relevant information is as follows: 1. The X-Trail is a compact SUV from Dongfeng Nissan, with exterior dimensions of 4675 mm in length, 1820 mm in width, and 1722 mm in height, a wheelbase of 2706 mm, front track of 1575 mm, rear track of 1570 mm, minimum ground clearance of 208 mm, and a fuel tank capacity of 65 liters. 2. The X-Trail is equipped with a 2.0L L4 engine, with a maximum horsepower of 151 hp, maximum power of 111 kW at 6000 rpm, maximum torque of 194 Nm at 4400 rpm.
6
2
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.