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Hesitation/cut Out

R33ram

By R33ram,
in General Maintenance

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R33ram Enthusiast

R33ram

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Hey guys,

Got a gtst R33 car runs great but when shifting between gears and releasing clutch in full throttle mode it cuts out like throws you foward and picks up again especially 90% of the time from first gear to second gear.

Has b.o.v aftermarket plumb back,FMIC,power fc tuned and aftermarket turbo and facefoward plenum.Have tryed without b.ov/disconetcted and still does it.

Does not do it when in gear and giving it full throttle through the rev range at all.

Have noticed when it gets wheelspin through the gear change it doesnt do it but when it gets traction it does and also recently only in first gear my external boost gauge when hitting full boost it starts to flicker and the car goes brr brrr brr brr at high rpm around 5800rpm to 6400rpm but only in first as ive tested it 20 times and in no other gear.

I have changed all vaccum lines to brand new,coil packs ,spark plugs and service,fuel filter,filter all fuel lines and changed different turbos aswell with no result on the first thing mentioned also had the same problem with my old greddy computer and on neally stock boost, but this is tuned and all now with power fc..

all i can think of is the afm which has not been changed which is a z32 which would always switch off on me but solderd it and that and fixed it and have tryed low boost level and still nothing.

Cant think of anything else...Any ideas or help or similar thing that someone can help with or had a similar fix or advice.

Edited by R33ram
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R33ram Enthusiast

R33ram

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1.1 bosh platniums but tryed NGK bcpr7s .8 awhile back still the same but might try them now again after the tune...fuel pump is a 040....

Aso when was on the dyno i asked about the fuel system setup and that and was told more then enough fuel its getting and pressure.

The one thing i did notice as said before is when it gets traction it does it when shifting and releasing clutch.

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