Hks EVC2 Problem

7mLove

Addict
Nov 11, 2009
121
0
16
32
Barksdale AFB, Louisiana United States
sometimes it boost to 8 sometimes it doesnt and just boosts to 6. my car is bone stock other then the hks evc2 boost controller. it lights up i can hear it cycling through my radio and outside of the car everything lights up but it onlt works sometimes. like one pull it will be at 8psi and then ill get on it again and hit 6. whats goin on here
 

suprahilux

ULTRA Lurker
Jun 12, 2007
125
0
0
conroe, texas
Check your vacuum line to the valve. I had one too restrictive on my evc4 and it wouldn't maintain proper boost levels at all. Mine was a T fitting that was too small.