1.1 This test method covers and is commonly referred to as the Sequence VG test, and it has been correlated with vehicles used in stop-and-go service prior to 1996, particularly with regard to sludge and varnish formation. It is one of the test methods required to evaluate oils intended to satisfy the API SL performance category.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
| Section |
Scope | 1 |
Referenced Documents | 2 |
Terminology | 3 |
Summary of Test Method | 4 |
Significance and Use | 5 |
Apparatus (General Description) | 6 |
Apparatus (The Test Engine) | 7 |
Sequence VG Test Engine | 7.1 |
Required New Engine Parts | 7.2 |
Reusable Engine Parts | 7.3 |
Specially Fabricated Engine Parts | 7.4 |
Special Engine Measurement and Assembly Equipment | 7.5 |
Miscellaneous Engine Components-Preparation | 7.6 |
Solvents and Cleaners Required | 7.7 |
Assembling the Test Engine-Preparations | 7.8 |
Assembling the Test Engine-Installations | 7.9 |
Engine Installation on the Test Stand | 7.10 |
Engine Fluids (Supply/Discharge Systems) | 8 |
Intake Air | 8.1 |
Fuel and Fuel System | 8.2 |
Engine Oil and Engine Oil System | 8.3 |
Coolants | 8.4 |
Measurement Instrumentation | 9 |
Temperatures | 9.1 |
Pressures | 9.2 |
Flow Rates | 9.3 |
Fuel Consumption | 9.4 |
Speed and Load | 9.5 |
Exhaust Gas | 9.6 |
Humidity | 9.7 |
Miscellaneous Laboratory Equipment | 10 |
Test Stand Calibration | 11 |
Test Procedure | 12 |
Pre-Test Procedure | 12.1 |
Engine Operating Procedure | 12.2 |
Periodic Measurements and Functions | 12.3 |
Special Maintenance Procedures | 12.4 |
Diagnostic Data Review | 12.5 |
End of Test Procedure | 12.6 |
Interpretation of Test Results | 13 |
Parts Rating Area-Environment | 13.1 |
Sludge Ratings | 13.2 |
Varnish Ratings | 13.3 |
Clogging | 13.4 |
Sticking | 13.5 |
Used Oil Analyses | 13.6 |
Assessment of Test Validity | 14 |
General | 14.1 |
Used Oil Analyses-Interpretation | 14.2 |
Blowby Flow Rate | 14.3 |
Manifold Absolute Pressure | 14.4 |
Fuel Consumption Rate | 14.5 |
Oil Consumption | 14.6 |
Engine Parts Replacement | 14.7 |
Quality Index and Deviation Percentage | 14.8 |
Final Test Report | 15 |
Report Forms | 15.1 |
Precision and Bi......
ASTM D6593-07 history- 2018 ASTM D6593-18e1 Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature
- 2018 ASTM D6593-18 Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature
- 2017 ASTM D6593-17 Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature
- 2016 ASTM D6593-16a Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2016 ASTM D6593-16 Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2015 ASTM D6593-15a Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2015 ASTM D6593-15 Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2014 ASTM D6593-14a Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2014 ASTM D6593-14 Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2013 ASTM D6593-13b Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2013 ASTM D6593-13a Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2013 ASTM D6593-13 Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2010 ASTM D6593-10 Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2009 ASTM D6593-09a Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2009 ASTM D6593-09 Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2008 ASTM D6593-08 Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2007 ASTM D6593-07a Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2007 ASTM D6593-07 Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2006 ASTM D6593-06a Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2006 ASTM D6593-06 Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2005 ASTM D6593-05a Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2005 ASTM D6593-05 Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2004 ASTM D6593-04a Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2004 ASTM D6593-04 Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2003 ASTM D6593-03a Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2003 ASTM D6593-03 Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2002 ASTM D6593-02a Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2002 ASTM D6593-02 Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2001 ASTM D6593-01 Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
- 2000 ASTM D6593-00 Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions
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