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Old 02-25-2009, 12:43 AM   #1
Scooby Newbie
Member#: 166434
Join Date: Dec 2007
Chapter/Region: NESIC
Location: Farmington CT
1998 Impreza L 2.5

Default 98 ej22 ecu to ej25 ecu

I searched and found nothing on this so I was wondering will a 98 2.5 rs ecu plug into my 98 2.2 harness? I just swapped in a 2.5 rs and figured it would run better on an ecu made for it.
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Old 02-25-2009, 08:28 AM   #2
Scooby Guru
Member#: 5218
Join Date: Mar 2001
Chapter/Region: MWSOC
Location: SAUL'S Motorsports
96L Most Over-
Developed Beater


It'll plug in and run. If your EJ22 didn't have an EGR system, you will get a CEL for it since the 98RS will look to operate it.

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