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R32gtst4 Problem.......

ES86

By ES86,
in R Series (R30, R31, R32, R33, R34)

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ES86 Community Regular

ES86

Posted
Posted (edited)

my friend had just bought a R32 GTST4 from japan....

the engine is all std except aftermarket FMIC, some aftermarket exhaust, but it got a aftermarket ECU.....there are some stickers like 'stage2' on it......

I test drive his car, it is !@#$%^ slow....even slower than a 1.5 echo i reckon...

i find out the that the powerband of this car is from 3000-4000 rpm, but after 4000 rpm, the car become accelerate very slow.....even slower than my mum's corolla...

At first, i thought the turbo have something wrong with it..but the reading of the boost gauge still boost up to 0.7BAR....so i reckon the turbo is alrite...

So i thought there is something to deal with the ECU?

Have any tried this issue before? Any idea how to solve it?

Is the stock ECU of R32GTST same as GTST4?

thanks guys....

Edited by ES86
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https://www.sau.com.au/forums/topic/104598-r32gtst4-problem/
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GTRNUR Grand Master

GTRNUR

Posted
Posted

I was thinking a blocked off cat maybe, or possibly leaking intake from the compressor thru the intercooler to the throttle body. Or even a head to turbo exhaust leak but that would be causing lag as well as crap top end.

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