ASTM_D_5598_-_01_2012.pdf

Designation:D559801(Reapproved 2012)Standard Test Method forEvaluating Unleaded Automotive Spark-Ignition Engine Fuelfor Electronic Port Fuel Injector Fouling1This standard is issued under the fixed designation D5598;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.INTRODUCTIONThis test method is based on a test procedure developed by the Coordinating Research Council(CRC)and maintains as much commonality as possible with the original test.A similar test methodis described in the California Air Resource Board(CARB)report,“Test Method for Evaluating PortFuel Injector Deposits in Vehicle Engines.”Driveability problems in PFI automobiles were first reported in 1984.These driveability problemswere caused by deposits in the tips of pintle-type fuel injectors.In response to this problem,the CRCdeveloped a program to evaluate a method of testing PFI deposit-forming tendencies in gasolines.D235-h test cycle consisting of 15 min of operation at 88 kph(55 mph)followed by a 45-min soakperiod was used for the program.This test cycle showed statistically significant differences indeposit-forming tendencies of the test fuels on the vehicles fuel injectors.The results of the CRCprogram are discussed in CRC Report No.565,2and SAE Paper 890213.31.Scope1.1 This test method covers a vehicle test procedure toevaluate the tendency of an unleaded spark-ignition engine fuelto foul electronic port fuel injectors(PFI).1.2 The test method is applicable to unleaded spark-ignitionengine fuels which may contain antioxidants,corrosioninhibitors,metal deactivators,dyes,deposit control additives,and oxygenates.1.3 The values stated in SI units are to be regarded as thestandard.The values in parentheses are provided for informa-tion only.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.Specific precau-tionary statements are given throughout this test method.NOTE1If there is any doubt as to the latest edition of Test MethodD5598,contact ASTM Headquarters.Other properties of significance tospark-ignition engine fuel are described in Specification D4814.2.Referenced Documents2.1 ASTM Standards:4D235 Specification for Mineral Spirits(Petroleum Spirits)(Hydrocarbon Dry Cleaning Solvent)D4814 Specification for Automotive Spark-Ignition EngineFuel2.2 ANSI Standard:5MC 96.1 Temperature Measurement Thermocouples2.3 Other Standards:“Test Method for Evaluating Port Fuel Injector(PFI)Deposits In Vehicle Engines,”State of CaliforniaAirResources Board(CARB),Stationary Source Div.,March1,1991(incorporated by reference in California Code ofRegulations,Title 13,Section 2257).61This test method is under the jurisdiction of ASTM Committee D02 onPetroleum Products,Liquid Fuels,and Lubricantsand is the direct responsibility ofSubcommittee D02.A0.01 on Gasoline and Gasoline-Oxygenate Blends.Current edition approved Nov.1,2012.Published November 2012.Originallyapproved in 1994.Last previous edition approved in 2007 as D5598 01(2007).DOI:10.1520/D5598-01R12.2CRC Report No.565“A Program to Evaluate a Vehicle Test Method for PortFuel Injector Deposit-Forming Tendencies of Unleaded Base Gasolines,”February1989.Available from Coordinating Research Council,Inc.,219 Perimeter Ctr.Pkwy.,Atlanta,GA 30346.3Tupa,Taniguchi,Benson,“A Vehicle Test Technique for Studying Port FuelInjector DepositsA Coordinating Research Council Program,”Society of Auto-motive Engineers(SAE)Technical Paper Series:Paper No.890213,1989,Availablefrom Society of Automotive Engineers International,400 Commonwealth Dr.,Warrendale,PA 15096.4For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.5Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.6Available from California Air Resources Board,P.O.Box 2815,Sacramento,CA 95812,http:/www.arb.ca.gov.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 Title 1Provisions for Attainment and Maintenance of Na-tional Air Quality Standards,Clean Air Act Amendmentsof 1990 Public Law 101-549,Nov.15,1990.73.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 base fuel,nunleaded automotive spark-ignition en-gine fuel that does not contain a deposit control additive,butmaycontainantioxidants,corrosioninhibitors,metaldeactivators,dyes,and oxygenates.3.1.2 deposit control additive,nmater