How do you check fuel pressure on 1998 Pontiac Transport?

To check the fuel pressure on a 1998 Pontiac Transport, you'll need a fuel pressure gauge. First, locate the fuel pressure test port on the fuel rail, then remove the cap from the port. Attach the gauge securely and turn the ignition to the "ON" position without starting the engine to read the pressure. The normal fuel pressure range for this vehicle is typically between 40-47 psi; if it's outside this range, further diagnosis may be needed.