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Oil sludge in Audi a4 how to fix?

Updated: 10/21/2022
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14y ago

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You basically got two options one is to try with engine cleaner additive from wynns or similar manufacturer. It all depends on how bad the sludge problem has become. If it is a mild case the engine cleaner additive might do the trick. But if the sludge is of a major level then a engine flush done at a garage with a special machine is the way to go. And finally the last option if its really bad then a engine rebuild is what you have to do.

Best regards

/Martin

Audi service engineer

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Q: Oil sludge in Audi a4 how to fix?
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