When driving up to a stop sign or light, clutch pressed in, the rpm's will dip very low and the car will run rough for a moment then the idle will automatically go up to around 1500 to correct itself. It may or may not dip down low enough to be rough again, it varies, but in the last couple weeks it has done it for about half of the stops I ... I had idle problems and did everything. ICV clean, throttle clean, replaced plugs, replaced intake boots, replaced CCV and all it's hoses, checked DISA, checked DISA twice, changed fuel filter, changed fuel pump and changed fuel sender. Glad I did all that but it did not help my rough idle issue. Then I started looking at fuel rail pressure. No more rough idle, very smooth idle actually, it actually idles better now too when its all warmed up as well! Well i went in tuesday afternoon telling them about my rough idling problems, i told them i saw online here and at dedicated 3g wrx site...