ASTM D6421用试验台法评定汽车火花点火发动机燃料污染电子便携式燃油喷射器的试验方法
日期:2012-02-08 10:48
ASTM D6421 Standard Test Method for Evaluating Automotive Spark-Ignition Engine Fuel for Electronic Port Fuel Injector Fouling by Bench Procedure
ASTM D6421用试验台法评定汽车火花点火发动机燃料污染电子便携式燃油喷射器的试验方法
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 fuel flow result in an
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