The used car I bought wasn’t properly maintained, how can I get rid of sludge buildup?

The 2000 Jeep Cherokee I recently purchased with almost 232,000 kilometres on it clearly did not receive proper maintenance. After the replacement of a leaky valve cover gasket, my mechanic indicated that it was super gunked up. He suggested an engine flush and a fresh oil change. The reviews I’ve read state that engine flushes are a bad idea and can cause extensive damage to your engine. – Beth D.

Yes, your Cherokee’s power plant is exhibiting excessive sludge buildup from a lack of oil changes, and an oil flush is a questionable solution, one that would possibly aggravate the situation.
READ THE FULL ARTICLE ON GLOBE & MAIL.