Where is the fuel pressure relief schrader valve on a 1994 Chevy truck?

The fuel pressure relief Schrader valve on a 1994 Chevy truck is typically located on the fuel rail. The fuel rail is a metal pipe that runs along the top of the engine and distributes fuel to the injectors. The Schrader valve itself will look like a small, metal valve stem similar to those found on tires.

However, the exact location on the fuel rail can vary slightly depending on the engine (e.g., 4.3L, 5.0L, 5.7L, etc.). It's best to consult a repair manual specific to your truck's engine to pinpoint its exact position. You can usually find these manuals online or at auto parts stores. Looking at diagrams online for your specific year and engine may also help.

Caution: Always relieve fuel pressure before attempting to access or work on the fuel system. Failure to do so can result in serious injury from fuel spraying.