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Old 10-01-2004, 10:46 PM   #1
miraclemonkeywrx
Scooby Specialist
 
Member#: 35025
Join Date: Apr 2003
Location: seattle
Vehicle:
2005 Es Tea Eye
CGM

Default 2002 and 2003 Wrx ECU's cross compatible?

I have a COBB reflashed ecu in an 03 wrx and want to know if it would be safe to trade it for a 2002 wrx ecu.(returning my car to stock)


Jeff
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Old 10-02-2004, 02:02 PM   #2
zaxrex
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Member#: 9898
Join Date: Sep 2001
Chapter/Region: MAIC
Location: VA near MD
Vehicle:
2002 WRX
Water Injected Blue

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I don't know the exact part numbers or model production date to refference, but the '03s have an extra fuel system sensor. The '03 is backwards compatible I think, but the '02 might show a CEL if used on an '03. Some have had no problems swapping, others have.
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