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Old 08-29-2005, 09:49 PM   #1
farrell
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2000 Impreza 2.5 RS
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Default IAC hook up? 2.2 harness(3prong)2.5 iac(6prong)

i have a 98 impreza L(2.2L). i have a 2.5L engine swapped in. i still have the 2.2 ecu and harness. running 2.5 engine. the IAC on the 2.5 is a 6 prong, but the 2.2 harness is a 3 prong plug. does ne one know how to hook them together without changing the ecu?(that would be the obvious most expensive way)
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Old 08-29-2005, 10:18 PM   #2
Kostamojen
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Is the 2.2 IAC on the throttle body or on the intake manifold?
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Old 08-29-2005, 10:45 PM   #3
farrell
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throtle body
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Old 08-29-2005, 11:29 PM   #4
JoshP
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use the 2.2 TB, you may have to make a shim for it.
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Old 08-29-2005, 11:51 PM   #5
farrell
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dont have the 2.2L throttle body. and cannot find the one i need.
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Old 08-30-2005, 02:12 AM   #6
Kostamojen
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Quote:
Originally Posted by farrell
dont have the 2.2L throttle body. and cannot find the one i need.
Well you need to find one or it wont work.
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Old 08-30-2005, 12:04 PM   #7
Jaxx
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i concur or use the 2.5 ecu/harness
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Old 11-14-2005, 11:28 PM   #8
flat_iv
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Farrell, Did you ever figure it out?
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Old 11-15-2005, 11:06 PM   #9
rabbitnutz
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farrell: far as i know, you need to use the 2.2 TB, and make a block off plate for the port on the RS intake manifold(for the IAC)...that's all i've got.
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Old 11-15-2005, 11:18 PM   #10
flat_iv
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What about a 1.8 TB? The IAC is on the TB, 3-wire and its the same bolt pattern as a 2.2.
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