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99 Volvo 6 wire O2 function
Posted to Technical Theory Forum on 8/26/2002 57 Replies

Evening all,

This is my first look into one of these. I have a 99 V70 XC with intermitent MIL for O2 [...] O2's are new however. The downstream sensor is a conventional 4 wire, but the upstream................Oh baby!!

I would apreciate some enlightenment ... Login to read more.

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