It is the heat shield for the exhaust. They are a pain in the backside because they come loose and are hard to reach to remove. You need to snip the "loop" over the pipe and just throw it away. It will cost over 150 bucks to replace and it will fall off in a few months. It is a poor design.
Under the carburetor.
The starter on a 2000 Ford Focus LX is located under the hood. If you are outside of the car and facing the hood, it is on the right side.
The starter relay is a part of the starter on a 2000 Ford Focus. It is located under the hood, and on the right side of it if you are facing the car.
Under the air box.
Look under the driver's seat.
between the motor and firewall under the intake manifold
Under the car, between the fuel pump and the injector pump.
The only Focus to have one of that generation was the SVT model 02-04'... and its under the battery. See the related link.
The fuel delivery module is under the passenger side back seat, under carpet.
As far as I know it is located under the air filter box.
on the starter , which is between the motor and the firewall. and under the intake man.
on the back side of the motor ....under the intake manifold