When Diesel Exhaust Fluid is Good - Exhaust Tips - 0 views
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Jack Benson on 08 Oct 15Diesel exhaust fluid (DEF), which is used as an exhaust treatment in modern diesel emissions systems to reduce the levels of nitrogen oxide (NOx) in the exhaust. Used properly, DEF is a good thing - but used improperly, it can cause serious (and seriously expensive) problems. A web search will turn up numerous (and, to some, humorous) tales of folks putting diesel exhaust fluid into their non-DEF trucks and cars.