There isn't a vacuum line going to the regulator on a 1998 Dodge Caravan.
The fuel pressure regulator is part of the fuel pump module in the tank.
it is internal to the pcm (engine computer)
On the pump module in the tank.
The engine computer is also the voltage regulator.
It is connected in line to the fuel pump inside the gas tank
where is the transmission fluid pressure sensor located o a 2005 dodge grand caravan
It is part of the alternator
The engine computer is also the voltage regulator. It is located in front of the left front tire.
The proper tire pressure for the Dodge Grand Caravan is printed on the tire. Tires have to be inflated to the tire specifications. The auto manual will state what size tires to use.
The P1745 code in a Dodge Caravan is for high pressure in the transmission line. It is normally caused by a bad solenoid pack or a main regulator valve stuck in the valve body.
49 psi + or - 5 psi