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Old 02-22-2010, 03:26 PM   #22
Scooby Newbie
Member#: 234539
Join Date: Jan 2010
Chapter/Region: South East
Location: Asheville, NC


I am currently in the process of an EJ255 swap into an '04 Forester that I blew the motor on. I have the motor and am about to get the necessary wires and ECU.

Will I have an issue with an alleged "05" EJ255 that should have had an immobilizer, if I use an '04 STI ECU that does not have immobilizer keys associated with it?

Here's the issue(s) with the engine:

First, the person who sold it to me claimed it was an '05. Now, from every bit of information I've read, the EJ255 first came in '06. When I asked the seller about further details, he said that it was a "B2B" job and he didn't get the full info on the vehicle it came out of. Sketchy to say the least, but I got the engine and it looks clean.
It's VIN# ej255be8jb-051 in case the picture doesn't work/isn't clear. (Sorry, kinda off topic).
Does anyone know how to verify the year of production based on this number?

Regardless, am I going to have an issue using a year-model engine that had an immobilizer with an '04, pre-immobilizer ECU/ wires?

Thanks, pictures to come....
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Last edited by TheLordChesterfield; 03-19-2010 at 07:43 PM.
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