2003 Audi A6 - Where is the nox sensor

A6 2.0 fsi Problem
The Problem
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mart89
Fixes: 12
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Where is the nox sensor
Nov 20, 2016 (3 years ago)
We're is the nox sensor start and end

Car: Audi A6
Variant: 2.0 fsi
Year: 2003
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1/4drive
Fixes: 1,862
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Nov 20, 2016 (3 years ago)
Typically they screw into the exhaust pipe.
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whittingehame
Fixes: 12,189
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Nov 20, 2016 (3 years ago)
On some Audi models , the nox sensor wiring passes through the floor into control unit under seat , necessitating the removal of seat to get access .
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