What Does Engine Sludge Mean And Should I Be Concerned?

What Does Engine Sludge Mean And Should I Be Concerned?

The word sludge alone does not sound good, but when you put the word engine in front of it “engine sludge” it is as bad as it sounds for your motor. The sludge in your motor is made up of old and jellied oil that comes from heat, oil additives and extreme oil contamination.