I think its in the relay box near the air cleaner, I will have to check.
No.
Can be a blown fuse, defective sending unit, or loose of disconnected wiring. The gauge itself can be bad, but not likely.
near the oil filter
Back of the engine block, about 6 inches above the oil pan.
It is on the back of the engine, about 6 inches above the oil pan.
Back of the engine block, about half way up, closer to the transmission side.
No. The oil pressure sensor is not required for the engine to run.
It is under a heat shield on the back of the engine.
Next to the oil filter - closer to the front of the car
The oil pressure sending unit on a PT cruiser can be found on the upper front cover of the engine. Remove the retaining nut and the sensor will come out. Reverse the process to install the new sending unit.
The Chrysler Town and Country speedometer sending unit is located on the back of the transmission. The sending unit will be in the upper right-hand corner of the transmission.
The oil pressure switch is in the middle of the engine, back side, a little left about half way up the engine.