How do you relieve The pressure from the fuel system on a 1991 corolla?

To relieve the pressure from the fuel system on a 1991 Toyota Corolla, locate the fuel pump relay in the fuse box and remove it. Then, start the engine and let it run until it stalls, which indicates that the fuel pressure has been released. Afterward, you can safely disconnect the fuel line or work on the fuel system. Always wear safety goggles and work in a well-ventilated area to avoid inhaling fuel vapors.