Volkswagen and Chrysler are facing sludge problems in engines in their most popular models sold in the US, as Toyota did in the past two years, according to The Car Connection (TCC) website. Sludge is ...
The sludge is the semisolid leftovers (also known as “goo”, “gunk”, and “crud”) from used engine oil that sticks in piston cylinders and can reduce performance and even damage engines to the point ...
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