Hi guys, have got this P0170 code came out randomly on and off To date, i have replaced my MAP sensor and new fuel pump and new fuel regulator. Whenever the CEL is on, the car still drives fine and no loss of power at all. Any help would be much appreciated.. cheers.

 

Heres a thread that may offer some insight. FPR pressure, Spark plug choice or injector issue

Read here: https://www.evolutionm.net/forums/ev...fter-tune.html