How Long Is Diesel Exhaust Fluid (DEF) Good For After Opening?

Diesel Exhaust Fluid has an expiration date, after which it becomes far less effective and can even damage your engine.
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How Much Diesel Exhaust Fluid (DEF) Does A Truck Use?

Diesel Exhaust Fluid (DEF) is a crucial component in modern diesel vehicles, introduced to comply with US Environmental Protection Agency (EPA) regulations that began in 2010. It's a solution made up ...
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How Long Does A Bottle Of Diesel Exhaust Fluid (DEF) Last Once Opened?

The government's strict emissions limits for combustion-powered vehicles have pushed automakers to develop technologies that let their engines stay compliant while producing gobs of power. Diesel ...
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EPA Tells Diesel Engine Manufacturers To Stop Forcing Power Loss When DEF Runs Out

The Environmental Protection Agency (EPA) has issued new guidance regarding diesel exhaust fluid (DEF) systems in diesel engines that cause trucks and tractors to enter "limp mode" when DEF levels are ...