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  • 1 Post By Jadyn
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Old 25-08-2014, 06:27 PM
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Default Determining if ECU is STI/Standard?

Calling ecu gurus!

Have an '00 GC8 with an engine swap and some extras (EJ207/VF34/yellow tops/TBE/AVC-R) but running on the standard Y7 '00 ecu. Runs pretty (quite) rich and was looking to drop in a 99 STI ecu short term as the internet indicates they run a little leaner and harder

Picked up an ECU that is supposedly from a 99 STI but just having a little trouble verifying that's the case before installing and swapping wires around. Numbers are:

E3
22611 AE801
A18-000 D1E (8Z15)

Depending on the forum you browse, eBay listing you view and person you talk to it changes. There's a nice listing on this forum that lays-out the serials and engine configurations but the E3 doesn't appear to be on there unfortunately.

Is there a sure-fire way to identify whether or not the ecu is STI (and/or AUDM/JDM origin)? Serial numbers/board ID/pin-out test...? Little hesitant to change any wiring or swap and run before confirming

Cheers!
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Old 23-02-2015, 04:29 PM
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Gday Jadyn,
Did you have any luck finding out what the E3 ecu was out of? i have one of my own and am also trying to find out too!
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Old 23-02-2015, 05:08 PM
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99-00 UK spec RB5 ecu to my knowledge not STI just a UK special edition . same tune as a A7 apparently.

A7 ECU code = 440cc injectors, 280ps VF22.

Thats from info I have which has been correct so far .

Last edited by amtrapid; 23-02-2015 at 05:12 PM.
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Old 23-02-2015, 05:09 PM
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This probably doesnt help you BEFORE you plug it in,

But for a GC8, an OBDII cable ($20 from ebay, search for VAG COM) and free software such as ECUExplorer will tell you the ID of your ECU.

I have a WRX GC8 and ECUExplorer reports "MY99/00 Impreza STI JDM"
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Old 01-03-2015, 02:59 PM
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Turns out it was from a 99 sti RA, but only know that because the previous owner managed to find the history for me not because of the printed codes.

I did end up buying a small ODBII Bluetooth adapter for another reason later and can confirm it does show the ID as matto20v suggested - $30 well-spent


Quote:
Originally Posted by dooza View Post
Gday Jadyn,
Did you have any luck finding out what the E3 ecu was out of? i have one of my own and am also trying to find out too!
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