Caterpillar Inc.

Lidi Chen

Yanchai Zhang

Xuefei Hu

Zhaoxu Dong

Arun Rajendran

Yifeng Lu

Rodney D Harms

Some examples described herein may involve determining an advance timing window between the valve opening or closing and a designated time that the valve is scheduled to open or close; determining a closing velocity of the valve; monitoring an engine speed of the engine; determining valve lash information based on the advance timing window, the closing velocity, and the engine speed, wherein the valve lash information identifies a magnitude of the valve lash or whether the magnitude of the valve lash associated with the valve satisfies a threshold; and performing an action based on the valve lash information.

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Peoria, IL, United States of America

Lidi Chen