There is no 2001 S10 with a V4 engine.
2001 malibu with3.1 fuel presser Regultar
The fuel pressure regulator, on a 2001 Kia Rio, is located near the fuel injector pump. The pressure regulator can be found on the top of the engine.
The pressure regulator is located under the upper intake manifold. Find your fuel lines entering the manifold (right behind where the air enters the manifold)...the pressure regulator is on the bottom side of that cluster*%$. You will need to remove the upper manifold to reach it and change the regulator.
The fuel pressure regulator is part of the pump module in the fuel tank.
On the 4.3 engine it is located under the upper intake manifold. The upper intake manifold must be removed to gain access to it.
Fuel Tank
The fuel pressure regulator is part of the fuel pump in the fuel tank.
under the upper intake manifold.
The fuel pressure regulator is on a 2001 Bravada is located in the rear on the gas tank. It is in the fuel line between the fuel pump and the gas tank.
It's on the fuel rail on the engine
It is under the upper intake manifold, attached to the bank of poppets.
The voltage regulator is part of the altenator.