Richie_k83 Posted February 9, 2016 Share Posted February 9, 2016 Hey all, So as per my build thread, I am fitting a set of 4AGE Black Top ITB's to my Supra. The mechanical side of the project isnt really an issue, but the ECU/Mapping side of it is all new for me. So my question is, do i really need a standalone unit? Or would a Piggback suffice? From what i can figure out, all it needs to do is compensate for is the removal of the Idle Air Control, Intake Air Temp Sensors and control the fueling too. The ITB's have a Throttle Position Sensor fitted already so that can be wired in. Is there anything i have missed? I think i may need a wideband Air/Fuel Gauge too, Link to comment Share on other sites More sharing options...
Tricky-Ricky Posted February 9, 2016 Share Posted February 9, 2016 I think your going to need a stand alone, as with most piggybacks you can't tweak things like IAT or idle air, so the existing ECU is going to throw faults if they are missing. Link to comment Share on other sites More sharing options...
zaheer0027 Posted February 10, 2016 Share Posted February 10, 2016 If you consider standalone I'm selling my aem v2 Link to comment Share on other sites More sharing options...
jumpbike Posted February 11, 2016 Share Posted February 11, 2016 How are you going to control the idle with out the idle air control valve? Are the throttle bodys fly by wire? Link to comment Share on other sites More sharing options...
Tricky-Ricky Posted February 11, 2016 Share Posted February 11, 2016 How are you going to control the idle with out the idle air control valve? Are the throttle bodys fly by wire? I would guess they have an mechanical idle air bypass controlled by a needle vale, bit like a carb set up. Link to comment Share on other sites More sharing options...
Richie_k83 Posted February 11, 2016 Author Share Posted February 11, 2016 I think your going to need a stand alone, as with most piggybacks you can't tweak things like IAT or idle air, so the existing ECU is going to throw faults if they are missing. Fair point, i suppose there would be a greater level tune ability with standalone too. If you consider standalone I'm selling my aem v2 Thanks for the offer, but i may have something lined up How are you going to control the idle with out the idle air control valve? Are the throttle bodys fly by wire? I guess it could be controlled by other means, maybe within the mapping/fuel? Link to comment Share on other sites More sharing options...
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