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Old 03-11-2007, 11:31 AM   #5
rkramer
Scooby Guru
 
Member#: 118209
Join Date: Jun 2006
Chapter/Region: MWSOC
Location: North Dakota
Vehicle:
2002 WRX Sedan

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Quote:
Originally Posted by markeddy View Post
Yes, I am fulfilling my inner ricer, so who really cares. Why would vampire tapping the wire going into the ECU harness load the circuit and cause issues, that would be my only question left.

Also, I have a 2007 STi Limited, not sure if this makes any difference.
o2 sensors work by changing the resistance of the circuit. if you add another device, you change the resistance externally.
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