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Discussion Starter #1 (Edited)
I’ve been searching and can’t find a thread on this so please forgive me if there is one already. My question is “if Audi replaces the intake manifold during the CPO process before selling, do they clean the carbon build up on the valves and ports if the vehicle is belongs to the dealer? Not a big deal I’m going to have them cleaned either way.
 

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Premium Member
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13 Posts
Discussion Starter #2 (Edited)
Has anyone here dynoed their q3 before and after a professional valve cleaning?
I want to do this if any members haven’t already.
 
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