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I've been reading through a bunch of threads with similar issues yet nothing that directly relates so far. If have a BNR32 GT-R and it's been a long cold winter here in Melbourne and the car felt like it was running fine and smooth the whole time. As there's been few warm days recently its been causing the car the run with rough idles and almost stalling at times. It will only happen if its on a warm day of more than 20 degrees. I've also noticed that the engine check light will flash at times and then be ok again but other than that car will boost ok and give off consistent power. So far I've read that it could be one of the vacuum lines in the plenum or the timing itself. My guess is that it could be the AFM's or sparkplugs. I am running stock AFM's with an ARC Airbox. I also took it to be Dyno tested to see if the issue could be replicated but they found nothing aside from it running slightly hotter than usual after load. I am running an aftermarket radiator as well. However it was fairly cold day so it may have been easily spotted. Was wondering if anyone else has had experiences with this and any suggestions would be appreciated!

Hi Guys, Just got back from overseas and needed to start the car after letting it sit for quite a few months. Car was serviced before I left for overseas and has only seen around 100km's since that time (mechanic drove it from the shop and dropped it off, and I took it for a quick spin to get washed) and was running completely fine after the service. Today I decided to start the car and take it for another wash - It kicked over first go (I thought the battery would have drained by now but it didn't which was a good sign) - but I noticed it was missing heavily and very rough at idle (engine shaking/surging) - after a minute the car stalls. It did manage to kick over a few more times and has absolutely no problem starting - but continued to sound very erratic and kept stalling after a minute or so. I've uploaded a short video, and while I know it's not the greatest and there are probably heaps of variables - I'm hoping someone might be able to point me in the right direction as to what to look for. There is no way I can limp it to the mechanics like this as it keeps stalling - so I'm hoping it will be a simple fix (leaky vacuum or something)? I did a search but doesn't seem like anyone has the exact problem I do nor on my engine. The car is a 1993 R32 GT-R - it does have a powerFC and splitfires but standard injectors, pump, AFM's, etc. http://www.filehosti...12/IMG_0466.MOV I stopped the vid just before the car stalled. I'll have to pull the plugs + AFM's out tomorrow when the sun comes up to check them - but if anyone has any advise before I start would be greatly appreciated (hoping to save my knuckles if I can)!