The 98 Blazer with a 4.3L V6 fuel pressure regulator would be located under the upper intake manifold. It would be attached to the bank of fuel injector poppets aka "the spider". The upper intake manifold would have to be removed to gain access.
It is in the throttle body.
It is attached to the throttle body.
It is in the throttle body.
It is in the throttle body.
It is attached to the throttle body. Pressure should be 41 to 47 psi.
The fuel pressure regulator is located in the throttle body.
It is in the throttle body.
Voltage regulator? Inside the alternator. Fuel pressure regulator? Inside the throttle body.
It is located in the throttle body.
In the throttle body.
It is in the throttle body.
The 1985 Chevrolet S 10 blazer fuel pressure regulator can be found on the top of the engine. The fuel pressure regulator will be near the fuel injector pump.