The 2015 Ford Taurus SHO represents a performance-oriented iteration of Ford's full-size sedan, built on the D4 platform and powered by a robust 3.5L Twin-Turbocharged EcoBoost V6 engine. This model, produced from 2010 to 2019, combines exhilarating performance with the practicality and comfort of a premium sedan, targeting enthusiasts and drivers who appreciate powerful acceleration and refined handling. Its engineering emphasizes the synergy between the potent EcoBoost powerplant, the standard All-Wheel Drive (AWD) system, and the responsive 6F55 SelectShift automatic transmission, delivering a driving experience that rivals other performance sedans in its segment. This comprehensive Workshop Service Repair Manual provides detailed guidance for the maintenance, diagnosis, and repair of the 2015 Ford Taurus SHO. It covers all essential systems, including engine mechanicals, performance tuning, drivetrain, brakes, suspension, steering, electrical components, HVAC, and bodywork. With over 2500 pages of information, this manual includes factory-recommended maintenance schedules, in-depth troubleshooting guides, complete wiring diagrams, and step-by-step repair procedures for everything from routine servicing to major component overhauls. Its extensive coverage and technical depth are designed to assist owners and professional technicians in maintaining the vehicle's optimal performance and longevity.