Hook up O2 sensor

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Jul 21, 2004 | 07:23 PM

Nighthawk

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Hook up O2 sensor

I am trying to hook up the apexi turbo timer on my car. The bad thing is i don't have the ECU diagram for a 05' sti. Therefore i don't know which port is the O2 sensor and the A/F. Can anyone here please helpme??

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