在低温和低载条件下运行的使用汽油燃料的火花点火式内燃机中抑制沉积物形成用汽车机油评价的试验方法

• Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions