WebMar 20, 2023 · What Does Diesel Exhaust Fluid Do? Diesel exhaust fluid plays an important role in the emissions system on your diesel engine, but to better understand exactly what it does and why we need it, we need to provide a little context. When diesel fuel is burned inside your engine it creates heat and horsepower.
WebDiesel exhaust fluid (DEF; also known as AUS 32 and marketed as AdBlue) is a liquid used to reduce the amount of air pollution created by a diesel engine. Specifically, DEF is an aqueous urea solution made with 32.5% urea and 67.5% deionized water.
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What is diesel exhaust fluid and why is it more important than …
WebJul 30, 2021 · Diesel Exhaust Fluid and selective catalytic reduction are working to make diesel cleaner more efficient than ever. What is diesel exhaust fluid and why is it more important than ever?...
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What Is Diesel Exhaust Fluid: Explained | The Drive
WebOct 18, 2022 · What Is Diesel Exhaust Fluid: Explained. Though it sounds like a close cousin of blinker fluid, DEF is an important part of regulating the emissions of modern diesel engines. by Chris...
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33 Answers To Your Diesel Exhaust Fluid DEF Questions
WebWhat is in diesel exhaust fluid? Diesel Exhaust Fluid or DEF for short, is a mixture of 32.5% Urea (for the ones that like chemistry: (NH2)2CO) and 67.5% de-ionised water. How does diesel exhaust fluid work? It is injected into the exhaust stream, where it’s water evaporates. The separation of Urea and Water due to heat, is called thermolysis.
WebSep 9, 2023 · Diesel Exhaust Fluid is a crucial component used in modern diesel engines equipped with Selective Catalytic Reduction (SCR) systems to reduce harmful nitrogen oxide (NOx) emissions. Here’s a breakdown of its properties, composition, and importance: Composition: It is made up of 67.5% deionized water and 32.5% high-purity urea.
WebDiesel exhaust fluid (also referred to as DEF or AUS 32) is injected into the diesel exhaust stream and the heat from the exhaust, the fluid, and a catalyst convert the NOx into the harmless gases. Diesel exhaust fluid is a 32.5% solution of technically pure urea in …
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6 Answers About Diesel Exhaust Fluid [2021] - Cummins
WebJan 4, 2016 · Q1: Where can I find DEF? A: Because almost all diesel-powered passenger cars and trucks built since 2010 are equipped with Selective Catalytic Reduction (SCR) and require Diesel Exhaust Fluid (DEF), it is readily available at most fueling stations and automotive parts retail stores. Truck stops often have a DEF pump right on the fuel island.
WebMar 1, 2023 · Yes, diesel exhaust fluid (DEF) is real. But what does it do? How does it clean a diesel exhaust? Almost every modern diesel engine, especially post- Dieselgate, is equipped with a selective...
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What Is Diesel Exhaust Fluid? | O'Reilly Auto Parts
WebDiesel exhaust fluid, or DEF, is a solution used in diesel engines to help manage emissions. When diesel exhaust fluid runs out, it causes a dramatic reduction in power or completely shuts down the engine.