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What grade of engine oil should be used for China IV diesel vehicles?

1 Answers

EmilioMarie

07/30/25 2:06am

China IV diesel vehicles should use the following grades of diesel oil: 1. The minimum standard is 15W-40, CD grade or above. 2. Depending on the power of the diesel engine, the standard should be upgraded. For diesel engines above 200KW, it is recommended to use 15W-40, CF-4 grade or above. Extended information: The China IV emission standard is the fourth stage national standard for motor vehicle pollutant emissions. The main pollutants emitted by vehicles include HC (hydrocarbons), NOx (nitrogen oxides), CO (carbon monoxide), PM (particulate matter), etc. Through the application of technologies such as better catalytic converter active layers, secondary air injection, and exhaust gas recirculation systems with cooling devices, the standard controls and reduces vehicle emissions to below specified levels.

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Is the 40,000 km maintenance necessary?

The 40,000 km maintenance is necessary, but the specific parts that need to be replaced depend on the vehicle model. Engine oil and oil filter are mandatory items for every maintenance service. Check the air filter and cabin air filter to see if they are dirty—if they are, try cleaning them to see if they can still be used; if not, they need to be replaced. Inspect the coolant, spark plugs, and brake pads for wear. If the spark plugs have not been replaced before, they must be replaced during the 40,000 km maintenance. The purpose of car maintenance is to keep the vehicle in good technical condition through timely and proper servicing, ensuring good usability and reliability, extending its service life, guaranteeing driving safety, maximizing the vehicle's efficiency, and reducing operational wear and tear.

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Can the car charger be left plugged in all the time?

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