Question

2004 Nissan Sentra 1.8L with engine code P0001, how to fix it, please!!

Answer 1

Nissan does not use such code, try to use a different OBD-II the one you are using is not compatible with your car.

Answer 2

The P0001 code is for the Fuel Volume Regulator Control Circuit/Open, but Nissan doesn't use the code. Please double-check the code number or check the codes with a different scanner.

P0001 - Fuel Volume Regulator Control Circuit/Open
Read more: https://www.autocodes.com/p0001.html