S4 ECU O2 wire color
I'm a boost creep...
Joined: Jan 2002
Posts: 15,608
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From: Auckland, New Zealand
GY = grey
G/Y = green with yellow stripe
The O2 sensor wire is shielded, and it's the outer insulation that's grey. That stops ~6" from the ECU, and the inner insulation is black.
G/Y = green with yellow stripe
The O2 sensor wire is shielded, and it's the outer insulation that's grey. That stops ~6" from the ECU, and the inner insulation is black.
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befarrer
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Aug 22, 2015 05:52 PM