Yours truly has a neutral opinion regarding engine flushes: I believe engine flushes are only necessary when the engine has sludge buildup. Sludge is a dark and thick substance from contaminated oil, ...
Adding an engine flush to your oil change routine can help remove sludge and buildup. Photo credit: David Traver Adolphus / AutoGuide.com. The engine is the most important component in your car. If it ...
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