A8 / S8 (D3 Platform) Discussion Discussion forum for the D3 Audi A8 produced from 2003-2010 and Audi S8 produced from 2006-2010

Changed plugs & check engine lights come on

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Old Nov 21, 2024 | 06:38 AM
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Default Changed plugs & check engine lights come on

2006 D3. 62k miles
changed plugs and check engine lights came on.
dealer says it’s the ox sensor. Anyone seen this before? and potential fixes?

thanks in advance
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Old Nov 21, 2024 | 07:36 AM
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Run VCDS or similar scan and report back. Anything else is a guess and just throwing parts at it. The throw away OBDII generic scanners can likely handle this--some parts stores may lend them.
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