In the engine compartment
Yes.
205 55 R16 is listed as the stock size tire I have on my 2004 PT Cruiser.
No.
A 2004 Chrysler PT Cruiser does not have a kill switch. The fuel system is computer controlled with a relay.
With mine, the rough idle was fixed by changing the spark plug wires.
Yes, they can. My wife's 2004 PT Cruiser was just diagnosed to have a broken engine mount.
There is no such part as an idle sensor. Idle speed is a computer output that involves dozens of inputs.
It is computer controlled and is not adjustable.
Idle speed is computer controlled. It is not adjustable. It can vary from 550-1200 rpm.
The Chrysler PT Cruiser fuel pump is mounted on top and inside the fuel tank.
No.