Dirty injectors or faulty idle air control valves can occasionally cause rough idling or hesitation. Ownership Experience
The , introduced in 2020 for Ford’s Super Duty lineup, is often praised as a reliable, lower-maintenance alternative to diesel for heavy-duty work. Designed for durability over high-tech complexity, it uses a cast-iron block and overhead valve (OHV) architecture to simplify repairs and reduce potential failure points common in modern emissions-heavy diesels. Performance & Capability 7.3The Big Short
It handles large loads—like a 16,000 lb fifth-wheel—effectively, though users note it lacks the high-torque "grunt" and exhaust braking of engines like the 6.7L Power Stroke. Dirty injectors or faulty idle air control valves