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Scope

1.1 This test method covers a bench test procedure to evaluate the tendency of automotive spark-ignition engine fuel to foul electronic port fuel injectors (PFI). The test method utilizes a bench apparatus equipped with Bosch injectors specified for use in a 1985-1987 Chrysler 2.2-L turbocharged engine. This test method is based on a test procedure developed by the Coordinating Research Council (CRC) for prediction of the tendency of spark-ignition engine fuel to form deposits in the small metering clearances of injectors in a port fuel injection engine (see CRC Report No. 592).

1.2 The test method is applicable to spark-ignition engine fuels, which may contain antioxidants, corrosion inhibitors, metal deactivators, dyes, deposit control additives, demulsifiers, or oxygenates, or a combination thereof.

1.3 The values stated in SI units are to be regarded as the standard. Approximate inch-pound units are shown in parentheses for information purposes only.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given throughout this test method.

Note 1-If there is any doubt as to the latest edition of Test Method D 6421, contact ASTM Headquarters. Other properties of significance to spark-ignition engine fuel are described in Specification D 4814.

Keywords

base fuel; bench test; deposit control additive; deposits (in internal combustion engines); electronic port fuel injector (PFI); flow rate, hot soak; injector fouling; pintle; spark-ignition engine fuel; test fuel; ICS Number Code 27.060.10 (Liquid and solid fuel burners)

To find similar documents by ASTM Volume:

05.03 (Petroleum Products and Lubricants (III): D6138 - D6971)

05.04 (Petroleum Products and Lubricants (IV): D6973 - latest)

To find similar documents by classification:

27.060.10 (Liquid and solid fuel burners)

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