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Hesitation When Cold

munro'sgts-t
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munro'sgts-t

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ok so storie goes s1 r33 skyline normal mods fmic exhaust/dump boost at 12psi tuned apexi safc about it i think. anyways just laty it has started to hesitate and miss when just slowly exelerating while cold like when you come onto about 2000 - 3000 rpm ny wear arround there it will just stop exelerating and start to studder and as soon as you back off or change gears its fine once its warmed up its fine. also the occasionly it fluctuates at idle like say from 1000rpm to 400ish the other day it got so low it stalled just sitting in neutral in my drive way and it was warm at thats stage. usually only does this while cold. any one know how to fix this problem i dnt think its a boost leak beacause its still fine while warm and giving it a good hard drive.

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munro'sgts-t Collaborator

munro'sgts-t

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ok so i still have this problem its studering when cold at 200rpm and when its warm and you get into it at 3000 ish it has a bit of a dip or pause in revs just stay there for a second then they keep going. also whilst going up a hill at 60 kph in 4th it will start to studder but the revs will not noticebly move, i will clean the afm tomorrow but i dnt thik its going to make any different has any one got any ideas, ???? its not the turbo on the way out is it.??

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