A study of the engine sub-systems responsible for good engine performance, clean air, and fuel economy. Systems to be covered include ignition, fuel, emission, OBD II, and computer controls. NOTE: This course requires the student to be able to use hand tools that require a twisting motion, lifting objects that weigh a minimum of 35 pounds, and vision capabilities to read mechanical precision measurement tools (similar to reading 8 or 9 pt font from 6-12 inches away).