Craig Jones

Technology Manager, Consumer Engine Lubricants

ACEA 2021: Understanding the tests - CEC L-117 Piston Cleanliness Test

June 18, 2021

Commonly referred to as the "TDI3" test, the CEC L-117-20 piston cleanliness test is a key diesel lubricant performance test within the latest ACEA Light-Duty Engine Oil Sequences upgrade.