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This study mainly focuses on oil consumption behavior of laser textured cylinder bores. The results of an experimental study performed on a six cylinder, 9.0 L capacity diesel engine is presented. The engine has Compacted Graphite Iron (CGI) cylinder block, and parent bore power cylinder design. Both an instantaneous oil consumption measurement method, sulfur-tracing, and a conventional oil consumption measurement method, “drain and weigh”, are used in determining the effects of different laser texture parameters at different running conditions. Oil consumption measurement results with the conventional plateau honed surface in comparison with the laser honed surface are also discussed.