Forum Discussion
10forty2
Jan 21, 2015Explorer
Another thing to consider is the year model...regardless of the mileage. In the early '90s, the EPA required low sulfur diesel to be used in on-the-road vehicles. Not being designed for it, seals in the engines started going bad as a result. I don't know exactly what model year diesel manufacturers made design modifications, but I'd guess late '90s.
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