So i finnally installed my boost gauge and when i took it out for the first time i was like WHOA 20 psi, is that normal?

2000 1.8t GIAC, DIY air box mod, dv007.

I peak at 20 psi and it holds for their till about 3/4 to red line.

my CEL never came on but i scaned it anyways and im gettting code
17964 P1556 Turbo supercharger boost sensor (A) circuit: control limit not reached.

What the hell does that mean???? my dv isnt keeping up or something?

on another note, i find that sometimes when it boosts i get thrown into my seat but most of the time its jst a good steady pull. My driving habbits really never change so i cant say its cause im dumping the clutch here and there.

Thanks
Brandon lau

 

any takers?

 

Not a clue and my Bentley isn't a great help either.

Looks pretty high. I hold about 16-17 PSI.

I'd check your N75 valve just of the hell of it.

 

Im holding 19 on mine with a K04 and the 710n. No Cels or codes here.

 

ya im thinking of replacing it?

ive doen some searches on repalcing the N75 valve to N75J i dont know if i should.
Is it hard to swap also?

I dint find too many good write ups on swapping out the N75.

 

Hell 20psi sounds good to me! That's what I run in my 99.5 w/ GIAC and a MBC

 

+1 sounds good to me thats what I run

 

Doe anyone have a part # for the N75J Valve?

 

034906283j i think

 

+1 I see 20psi most of the time... spikes around 22.