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Lads,

Car bogs down from relatively low revs on WOT when coming on boost. Between 2-3500 revs. Its not really stuttering or surging, and not always. Just a dip/flat spot in power.

I havent replaced sparks or coilpacks. From reading threads coilpack failure seems to occur higher in the revs with a prominent stutter??

Mods.

FMIC return flow JJR

z32 NISTUNE

K&N FILTER

3inch exhaust

12psi

187rwkw

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Maybe a leak, check all vac hoses, pipe clamps and the intercooler core for any small pinholes. If it's fine under cold wather conditions and losing boost response under warmer conditions (besides the fact it is warmer and oyu will lose a little power anyway) then a leak it may be.

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Has it always been that way? What changed since it started happening? IIRC the z32 Nistune into R33 needs some magic (different TPSes?)

Yeah since ive added to EBC and Nistune. I rarely ever load it up like that so ive never noticed it too much before. Actually noticed it as a passenger for the first time.

Yes it has different tps being a z32 ecu and this causes a stutter on/off throttle....

Its hard to describe the fault without driving it. Ill replace sparks and coilpacks and see what happens. getting turbo highflowed soon so ill probably need to do that anyhow...

Cheers.

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