Replacing the def fluid with water will prevent the formation of ammonia, which is essential to reducing nox emissions. Ammonia is an essential requirement to eliminate nox. Webaug 30, 2023 · simply put, no.

Introducing water into the def tank can cause several issues: Webdec 19, 2023 · no, you should not put water in a diesel exhaust fluid (def) tank. Weboct 4, 2012 · if you put water in an empty def tank, there will be no urea injected into the exhaust to convert to ammonia. In conclusion, def tanks.