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i own a 93' r32 gtst, it has never missed a beat, on the long weekend we went down to canberra and as i entered canberra something started stuffing up it was popping and carying on and wouldnt rev over 5500rpm.

It was taken to an authorised nrma repaired and he couldnt put his fingure on the cause.

After towing the car home yesterday i have replaced coilpacks, spark plugs and i have an ignitor being posted to arrive on wednesday.

After replacing the coilpacks and plugs this problem still remains and i was talking to the mechanic and he seems to think it has something to do with the ecu as he cleared an ignition problem when my car was with him.

I was curious because he said it was a chipped ecu, and after replacing the other things i pulled it out just then myself.

It has a intec racing development sticker on the ecu and off the chip inside it has 3 wires coming out of the ecu with little connectores to join to 3 wires that lead somewere in my car these are out the other side of the ecu to were the plug side is.

What are these wires for and the wire colours are red, blue and white... What do you guys recomend? im on the verge of just buying a stock ecu and seeing what happens and how the car runs but if i do that what do i do with these 3 wires that lead somewere in my car as the stock ecu doesnt have these wires coming out will this effect the car if they arnt pluged into the ecu?

Let me know asap please.

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ok i have traced the white, red and blue wires that lead out of the ecu, they are connected to a switch that was hiden under the dash the three wires are soldered onto the chip inside the ecu. i tried using the switch and changing the switch between the 2 (on /off) and its still the same im just thinking weather this on/off switch is for the chip and switching between the stock ecu mapping and the chip's mapping?

Edited by scotti-boi

ok i just think i found the problem. the ignitor sitting ontop of the rocker cover i think is the problem. i just tried starting my car n it would crank then die crank a little more n die like it has a flat battery but it doesnt lol. i unplugged the ignitor tried starting it and the cranking of the engine was normal speed but obviously couldnt fire up cos i had the ignitor unpluged. then i pluged it back in and it started f*king up again when trying to start... my ignitor arrives wednesday so we will see then but im pritty sure its that from what i did but its very hard to explain what actually happens over the net

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