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GB/T 19230.3-2003Test method for evaluating gasoline detergent in use--Part 3: Test method for evaluating gasoline detergent produced effect forelectronic port fuel injector(PFI) fouling (English PDF)

评价汽油清净剂使用效果的试验方法第3部分: 汽油清净剂对电子孔式燃油喷嘴(PFI)堵塞倾向影响的试验方法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

July 1, 2003

Implementation date

December 1, 2003

Scope

GB/T 19230.3-2003 is the English-translated version of 评价汽油清净剂使用效果的试验方法第3部分: 汽油清净剂对电子孔式燃油喷嘴(PFI)堵塞倾向影响的试验方法.

GB/T 19230.3-2003 is the Chinese standard "Test method for evaluating gasoline detergent in use--Part 3: Test method for evaluating gasoline detergent produced effect forelectronic port fuel injector(PFI) fouling".

Its scope clause reads: This part specifies the test method for evaluating gasoline detergent produced effect for electronic port fuel injector (PFI) fouling. This part is applicable to the evaluation of gasoline detergent, vehicle gasoline and its component oil on the detergency of electronic port fuel injector (PFI).

Note: This test method is only applicable to evaluate the deposit control performance of gasoline detergent in the top area of the electronic port fuel injector. Its clauses include terms and definitions.

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Document preview — GB/T 19230.3-2003

National Standard of the People's Republic of China

ICS: 75.140
Classification: E 49

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Summary of test method
5 Test apparatus and equipment
6 Reagents and materials
7 Test preparation
8 Test procedures
9 Calculation
10 Report
11 Precision
Annex A (Normative) Electronic port fuel injector (PFI) test apparatus and related operation methods
Annex B (Normative) Base gasoline

1 Scope

This part specifies the test method for evaluating gasoline detergent produced effect for electronic port fuel injector (PFI) fouling.

This part is applicable to the evaluation of gasoline detergent, vehicle gasoline and its component oil on the detergency of electronic port fuel injector (PFI).

Note: This test method is only applicable to evaluate the deposit control performance of gasoline detergent in the top area of the electronic port fuel injector.

2 Normative references

The following standards contain provisions which, through reference in this text, constitute provisions of this part. For dated references, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, parties to agreements based on this part are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, the latest edition of the normative document applies.

GB/T 380 Determination of sulfur content in petroleum products (lamp method)

GB/T 503 Determination of the gasoline octane number—Test method for motor octane number

GB/T 5487 Determination of the gasoline octane number—Test method for research octane number

GB/T 6536 Standard test method for distillation of petroleum products at atmospheric pressure

GB/T 8017 Standard test method for vapor pressure of petroleum products—Reid method

GB/T 8018 Determination of oxidation stability of gasoline—Induction period method

GB/T 8019 Standard test method for gum content in fuels by jet evaporation

GB/T 11132 Standard test method for hydrocarbon types in liquid petroleum products by fluorescent indicator adsorption

SH/T 0174 Qualitative test method for thiols of aromatic hydrocarbons and light petroleum products—Doctor test

SH/T 0663 Standard test method for determination of certain alcohols and ethers in gasoline by gas chromatography

SH/T 0693 Standard test method for determination of benzene, toluene, ethylbenzene, p/m-xylene, o-xylene, C9 and heavier aromatics, and total aromatics in finished gasoline by gas chromatography

ASTM D6421 Standard test method for evaluating automotive spark-ignition engine fuel for electronic port fuel injector fouling by bench procedure

3 Terms and definitions

For the purposes of this part, the following term and definition apply.

3.1 cycle

15s pulsing period, followed by a 50 min heating period at 160°C, followed by a 10 min cool-down period

3.2 electronic port fuel injector (PFI)

injection device used to control fuel flow into the combustion chamber

3.3 fouling

formation of carbonaceous deposits on the pintle or metering surfaces of an electronic port fuel injector, which reduces fuel flow

3.4 pintle

needle-like metering device extending beyond the electronic port fuel injector body that is part of an electronic port, which controls flow rate and spray pattern […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Cited by

CAS 109-2004Reference Fuel Specification for Ignition Engine Performance Test

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GB/T 11147-2025|GB/T 11148-2025|GB/T 1202-2025|GB/T 12494-2025|GB/T 15180-2025|GB/T 19230.1-2025

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