Where is the orifice tube located on a 2000 ford mustang?

The orifice tube on a 2000 Ford Mustang is located within the air conditioning system's high-pressure line. It's not externally accessible; you'll need to access it by working on the A/C lines themselves. It's typically found near the receiver/dryer (accumulator). Because of its location and the involvement of refrigerant, working on it requires specialized tools and knowledge to avoid leaks and personal injury. This is a job best left to an experienced automotive technician.