ASTM D6421-1999a(2009) 通过电子孔燃料注射器污渣评价自动火花点火引擎燃料的标准试验方法
ASTM D6421-1999a(2009) 标准详情
- 标准号:ASTM D6421-1999a(2009)
- 中文标题:通过电子孔燃料注射器污渣评价自动火花点火引擎燃料的标准试验方法
- 英文标题:Standard Test Method for Evaluating Automotive Spark-Ignition Engine Fuel for Electronic Port Fuel Injector Fouling by Bench Procedure
- 标准类别:美国材料与试验协会ASTM
- 发布日期:1999
内容简介
Driveability problems in PFI automobiles were first reported in 1984. Deposits are prone to form on the metering surfaces of pintle-type electronic fuel injectors. These deposits reduce fuel flow through the metering orifices. Reductions in metered f
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