It is built into the throttle body. Rebuild kits are available.
The 1974 Chevy truck has a mechanical fuel pump with a built in pressure regulator.
It controls / regulates the fuel pressure.
It is in the throttle body.
under the upper intake manifold.
where does the oil pressure regulator on a ford f350 diesel truck
The mechanical fuel pump regulates the fuel pressure. This truck is not fuel injected. It has a carburetor.
It is under the upper intake manifold, attached to the bank of injector poppets.
Engine oil pressure, cooling system pressure, ac pressure, fuel pressure?
It is located under the upper intake manifold. It is attached to the bank of injector poppets also known as the "spider".
do you have TBI ?
If it is CFI, the fuel pressure regulator could be leaking fuel. If the check engine light is on, have the codes read.
possibly a fuel regulator or bad valve