Sputters and dies, will not restart for 30-60 minutes. P0191 code.

Question

2003 Ford Taurus SES, 3.0. Occurred five weeks ago. No vacuum leaks all injectors connected. Changed O2 sensor. Ran great for 3 weeks and re-occurred. P0191 code now.

Answer 1

P0191 Fuel rail presssure sensor

As long as there is P0191 a fuel pressure test cannot be performed, The way the fuel pressure sensor works is it calculate engine loads and control fuel pump pressure by varying it voltage to the fuel pump according to engine load.To solve the condition of stalling and hard restart a replacement of the fuel rail sensor is required