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Old 04-27-2009, 02:35 AM   #2
Scooby Specialist
Member#: 16819
Join Date: Mar 2002
Chapter/Region: SCIC
Location: Lake Elsinore, CA

An SOHC EJ25 intake manifold has a different bolt pattern then the old EJ22 SOHC. The EJ22 ECU is going to be looking for the old style IAC, while I believe the the EJ25 you have will have the new style.

A '96 -'99 EJ25 DOHC will accept your throttlebody and should work with the older ECU.
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