What is recommended fuel pressure for 2001 Nissan Xterra 3.3 V6?

The recommended fuel pressure for a 2001 Nissan Xterra with a 3.3 V6 engine is typically between 43 to 50 psi (pounds per square inch) when the fuel pump is operating. It's important to ensure that the fuel pressure regulator and fuel pump are functioning properly to maintain this pressure for optimal engine performance. Always refer to the vehicle's service manual for specific testing procedures and specifications.