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Old 06-05-2012, 10:17 AM   #2
Scooby Guru
Member#: 13617
Join Date: Dec 2001
Chapter/Region: MWSOC
Location: MN
2001 Legacy GT back
to stock is a project too


The reason the 5mt ECU won't work is because it has different trigger info. The crank teeth on a 5mt BE is the same as a wrx actually, so if you want it to work with that ecu you will need to change the crankshaft sprocket and the camshaft sprocket I believe as well. Your car is a 6 tooth crank and 7 tooth cam, the 5mt is something like a 40 tooth crank and 2 tooth cam I believe.

What I did I think was just kept my TCU plugged in, one plug was plugged in and the other was not(don't recall which one). I constantly had a CEL though but I could drive the car fine.

What sucks is you already had the motor out to do the timing belt...but if I were to do it over I'd prob want to swap those parts and run a 5mt ecu.

Hope that helps some.

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