The 1991 Ford F-150 is a full-size pickup truck renowned for its robust construction, powerful engine options, and exceptional utility, making it a popular choice for work, fleet, and personal use. Building on extensive truck heritage, this model offers reliable performance and significant hauling and towing capabilities, supported by a range of engine choices including the 4.9L I6, 5.0L V8, and 5.8L V8, all featuring Electronic Fuel Injection. Its durable design, featuring a strong frame and body, along with a comfortable and functional interior, cemented its reputation as a dependable workhorse capable of meeting diverse demands.

This comprehensive repair manual provides detailed service and diagnostic information for the 1991 Ford F-150. It covers all major systems, including the engine, transmission, drivetrain, brakes, suspension, steering, and electrical components, offering in-depth procedures for maintenance, troubleshooting, and repair. With factory-level detail, including wiring diagrams, torque specifications, and diagnostic guidance for the EEC-IV system, this manual is an essential resource for owners and technicians seeking to maintain the optimal performance and longevity of their vehicle.