This document describes a simulation test method using a port-fuel-injected gasoline engine setup to evaluate the intake valve deposit-forming tendency of gasoline engine. This document is applicable to the evaluation of the cleanliness of automotive gasoline and gasoline detergents.
Basic Data
Standard ID
GB/T 37322-2026 (GB/T37322-2026)
Description (Translated English)
Evaluation of gasoline cleanliness - Simulation test method for intake valve deposit (IVD) on gasoline engine
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
E31
Classification of International Standard
75.160.20
Word Count Estimation
10,130
Date of Issue
2026-03-31
Date of Implementation
2026-10-01
Older Standard (superseded by this standard)
GB/T 37322-2019
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
