okies i changed the sensor and it did help but on a test run she was still over fueling by a VERY long shot so i went to the fuel reg on the fuel rail and turned it back a 1/4 and took her for another run and that cured the splutterin and she now revs out in 1st 2nd and 3rd and not sure about 4th or 5th ran outta road lol and that was low boost at about 1bar. but when i put her to full boost about 1.5bar she revs till 6ish and then splutters again do you think this maybe be fueling again or spark plugs?

i didnt want to turn back fuel anymore as i dont have any way of testing if it is safe etc.

what do you think?