In the gas. Of course.
pressure relief valve relief the excess pressure which is developed in the syatem, while pressure reducing valve reduces the pressure and supply it to the system.
The high oil pressure relief valve is located in the oil pump
The 1994 S10 has a fuel pressure regulator located in the throttle body.
From 87 to 95 did not have them. You will have to crack the fuel line alittle to relieve fuel pressure.
Your pressure relief valve may be leaking due to high pressure in the system or a faulty valve. To fix it, you can try adjusting the pressure settings or replacing the valve if it is damaged.
pressure-relief valve
The relief valve is part of the oil pump.
on the back side of motor by firewall
To adjust the pressure relief valve, locate the adjustment screw on the valve and turn it clockwise to increase pressure or counterclockwise to decrease pressure. Be sure to consult the manufacturer's instructions for specific guidance on adjusting the valve.
The fuel pressure relief valve is located Under the Plastic cover on the fuel rail.
There is no schrader valve, you need to source an adapter to place between where the fuel line attaches to the intake manifold.
Water may be dripping from the pressure relief valve due to excess pressure in the system, which causes the valve to release water to prevent damage or a potential explosion.