Can I pee in my DEF tank?

The urea found in urine is not in the proper concentration needed for DEF, nor is it of a sufficient level of purity, in either urea or water. The bottom line, to spell it out just one more time… urine and DEF = Never. DON'T PEE IN YOUR DEF TANK!
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What happens if you pee in DEF tank?

Because of the other compounds found in urine, peeing in a DEF tank could ruin the filters and the whole SCR system if used too often. The systems also won't be able to do their job of neutralizing carbon emissions from the diesel exhaust.
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Is there urine in DEF fluid?

DEF is a mixture of (typically) 2/3 deionized water and 1/3 urea. It's carefully regulated by the American Petroleum Institute. Technically, urea is derived from one of the byproducts of urine. But it's synthetically made, so no cats are ever harmed in the production of the fluid.
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Can you put water in your DEF tank?

If you put water in an EMPTY DEF tank, there will be no urea injected into the exhaust to convert to ammonia. Ammonia is an essential requirement to eliminate NOX (Oxides of Nitrogen) via the SCR (Selective Catalytic Reducer).
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Can I pee in my diesel truck?

Diesel exhaust fluid sold in stores and at semi-truck pumps at truck stops in the U.S. does not contain urea derived from cows, bats, or any other animal's urine, and to be clear, diesel owners should under no circumstances urinate in their DEF tanks.
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Cheating California truck emissions!!!!



Can you pee in the AdBlue tank?

No, the vehicle will not be able to be started. It's the same for all AdBlue vehicles; legislation prohibits it to start with no AdBlue in the tank. So, even if we wanted the capability of limp mode or normal driving in this situation, it's prohibited by law. We wouldn't recommend water or urine…
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What happens if I use water instead of DEF fluid?

Subject: RE: Anyone replace DEF with water? Water won't hurt the system but it will de-rate you pretty quick. ECM compares NOx values pre/post, if conversion is low it will start throwing codes and will eventually derate.
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What can be used in place of DEF fluid?

DEF is urea or otherwise known as aqueous ammonia. Windshield washer fluid that contains ammonia will do in a pinch.
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Can DEF system be bypassed?

If you're thinking of bypassing any of your diesel's emission controls, remember that that it's highly illegal and the fines can be steep. The chances of getting caught may be low, but the consequences are costly.
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Is DEF fluid made from pig urine?

Urea is an organic compound produced when a body metabolizes protein. (And yes, we expel it as urine.) But despite DEF earning the nickname “pig urine,” Diesel Exhaust Fluid is actually made of commercial-grade urea—synthetic ammonia and carbon.
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Can you run a diesel without DEF?

The U.S. Environmental Protection Agency requires vehicle manufacturers to put measures in place to ensure that vehicles cannot run without Diesel Exhaust Fluid (DEF).
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Can you pour DEF down the drain?

Bad DEF should be disposed of immediately and ethically. Do not pour down a drain or dump it outside. Check with your local government and environmental agency to learn how to properly dispose of DEF.
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What is blue DEF made out of?

BlueDEF® Diesel Exhaust Fluid is a mixture of high purity synthetic urea and deionized water that is used in Selective Catalytic Reduction (SCR) systems in diesel vehicles. DEF is used to help convert NOx to harmless nitrogen and water.
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What happens when you run out of DEF?

The Cost of Running Out of DEF‍

In a best-case scenario, running out of DEF simply means refilling the tank and restarting your machine. If you have DEF nearby, you could be back to work within minutes. But sometimes it isn't so quick and easy.
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Can you fertilize with Def fluid?

DEF is essentially 48-0-0 as a fertilizer. "32" is not urea, it's urea ammonium nitrate, which is a different thing. (If you were fertilizing something in a garden, for its proper nutrition, you'd need to add other substances to the "DEF" to create the right mixture.
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Can you substitute urine for DEF?

Following the deductive reasoning that urine has urea in it, therefore, urine + water = DEF is 100% wrong, and will cause you a myriad of expensive mechanical problems. The urea found in urine is not in the proper concentration needed for DEF, nor is it of a sufficient level of purity, in either urea or water.
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Why is DEF so expensive?

Because of its high content with urea, and the higher quality of urea it takes to manufacture DEF, the prices of urea most often drive the cost of DEF. According to Jobbers World, the price of urea reached $442 a ton in June, up from $380 a ton in May.
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Is there a shortage of Def fluid in the US?

The global microchip shortage, exacerbated by the COVID pandemic supply chain disruptions, has resulted in a shortage of Diesel Exhaust Fluid (DEF) sensors. These sensors are required on heavy-duty diesel vehicles to ensure that the emissions controls needed to meet clean air standards are in place and working.
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How do you clean a DEF tank?

Containers, funnels and other equipment that will contact or store DEF should be cleaned before use. Wash thoroughly and rinse with distilled water. If distilled water is unavailable, rinse with tap water, then rinse with DEF.
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How do you clean a contaminated DEF tank?

There is no way to clean out the drum after the Diesel Exhaust Fluid has been contaminated without compromising the integrity of any remaining product. Drums are the easiest to get contaminated, simply because anyone can open and close them. Drums are one way systems, and should be thrown out after each use.
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What is a DEF sensor simulator?

The DEF System Simulator (DSS) is a hardware/software solution that a user can build. It is made of inexpensive, readily available parts to assist derated users to be able to perform a temporary fix as soon as a DEF sensor failure occurs and safely operate their vehicle until a repair can be obtained.
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Where is the DEF level sensor?

A DEF quality sensor is mounted on the side of the DEF tank. This sensor detects the Urea concentration in the DEF to confirm it is acceptable for effective dosing (approximately 32.5% Urea).
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Is urea a urine?

Urea (also known as carbamide) is a waste product of many living organisms, and is the major organic component of human urine.
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