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This SAE Recommended Practice promotes uniformity in the evaluation and qualification tests conducted on fuel injectors used in gasoline engine applications. Its scope is limited to electronically actuated fuel injection devices used in automotive port or throttle body fuel injection systems where fuel supply pressure is below 1000 kPa. It is primarily restricted to bench tests. More specifically, this document is intended for use as a guide to the following: Standardize use of nomenclature specifically related to fuel injectors. Identify and define those parameters that are used to measure fuel injector characteristics or performance.