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View Full Version : Rb25 Stalling Issues


Boom90
03-30-2017, 07:34 AM
s13 with a rb25 swap everything is pretty much factory...(turbo,injectors,coilpacks etc... The problem recently started but when I start it up in the mornings the revs are high sometimes.I'll turn it off & start it back up & it idles perfect...but recently if I'm driving & when slowing down if the clutch is engaged the rpms will drop then it stalls. It starts right back up but I've been having feather the throttle while braking. I changed the plugs like 4 months ago so I'm assuming that wouldn't be the problem. I've been thinking could it be the coils or possibly the aac valve needs to be cleaned...has anyone else had these issues thanks in advance for any advice?

sergihoe
03-30-2017, 02:43 PM
I would start by cleaning the aac valve

Feast Japan
03-30-2017, 08:26 PM
Blow off valve venting to atmosphere or even blocked off? That would cause stalling as you described running a stock CPU.