i got a r33 gtst [rb 25det]. i bought this couple of months a go. since that day, i install a aftermarket intercooler and change the timing belt as wel as spark plugs gap to 0.8 mm . from last 2 week when i brake the car suddenly [coluor lights etc] car revs down 0 and go up 8000-1000 [cant explain exacly...] and car stall. i can feel some thing cuts off. when i start again it will starts no probms.
i allready cleand the AAC valve, AFM as well.
somebody can help me to sort this out is highly appreciate.