35-45 psi
The spec is 49 psi.
Remove the fuel rail
Fuel Pressure Regulator is located on the fuel rail.
60-66 psi
9 to 13 psi is factory
Check fuel pressure to be sure it's in spec. If it is, then you must check the injectors for pulses.
Check to make sure the fuel pressure reading is in spec. Some vehicles won't run even if they have 30 or 40 psi pressure because the spec is higher.
9 to 13 LBS. No more and no less.
The fuel pressure regulator is bad, one or more fuel injectors is leaking or the check valve in the fuel pump is faulty.
Low fuel pressure
Check your fuel pressure first then go from there.