What do you need to know about diesel exhaust fluid?

What is Diesel Exhaust Fluid (DEF)? Diesel Exhaust Fluid (DEF) is a non-hazardous solution, which is 32.5% urea and 67.5% de-ionized water. DEF is sprayed into the exhaust stream of diesel vehicles to break down dangerous NOx emissions into harmless nitrogen and water.

What happens if you have Def in your exhaust?

DEF is corrosive and, as you are about to see, causes severe damage to the fuel system. Early symptoms include hard starting, rough idle and smoking exhaust, and a DEF-contaminated engine may not start at all.

What does Def stand for in diesel exhaust fluid?

• Ford DEF bottles include a filler spout designed to aid in the filling of Ford specific systems. Diesel Exhaust Fluid (DEF) GSB Ver. 2.0 Diesel Exhaust Fluid (DEF) Service Tips DEF System Overview Ford Motor Company August 2015 4 of 17 NOTE: This chart represents the average distance between DEF refills based on how the vehicle is operated.

Who is the inventor of diesel exhaust fluid?

The active ingredient in DEF, urea, has been chemically synthesized since 1828 first by German scientist Friedrich Wöhler after treating silver cyanate with ammonium chloride. Urea was first discovered in urine by Dutch chemist Herman Boerhaave in 1727.

How does Def work on diesel exhaust fluid?

When the DEF level falls below a calibrated value, a series of prompts and warnings will occur to alert the driver. Diesel Exhaust Fluid (DEF) helps reduce the amount of regulated emissions that are produced.

Why is diesel exhaust fluid bad for the environment?

Date of Incident: N/A Details, Recommended Preventative Actions: Diesel Exhaust Fluid (DEF) is a product that has become more and more common in the forest industry. It is designed to help reduce levels of oxides of nitrogen that are emitted from diesel engines. These emissions are harmful to human health and to the environment as well.

Why is my car using more exhaust fluid than normal?

Some customers might express concern that their vehicle is using more Diesel Exhaust Fluid (DEF) than normal. After inspecting the vehicle, technicians may find no codes set and no messages on the DIC.

• Diesel Exhaust Fluid (DEF) also known as Reductant is a fluid comprised of highly purified and deionized water and urea. • DEF is highly corrosive. Avoid exposure to electrical components. • It is normal for DEF to freeze at temperatures below 12⁰F/-11⁰C.

Can a diesel exhaust system be flushed or cleaned?

Petroleum contamination cannot be flushed/cleaned and requires the entire system be replaced including the tank, pump, sender, lines and injector. Petroleum contamination is non-warrantable. • Diesel Exhaust Fluid (DEF) also known as Reductant is a fluid comprised of highly purified and deionized water and urea.

Why do I need a Def Service Bulletin?

GSB Overview: In many cases, DEF system concerns are related to petroleum contamination or misdiagnosis. This Service Bulletin is intended to aid in the diagnosis of the DEF system and help aid in determining if the system has been contaminated.

Where to find service exhaust fluid system bulletin?

If you see the “Service Exhaust Fluid System” and a “See Owner’s Manual Now” message displayed on the instrument cluster and scan the vehicle and find trouble codes P203D, P21AB, and P21B0, this bulletin may apply to you.

Is there a fault in the exhaust fluid system?

Yesterday i got the Exhaust Fluid System Fault message. I checked the code with an SCTX4. I went on the forums and the voicemails wad that this was a code that would often just go away. I cleared the code and drove to see if it would pop back up. I also have cold air intake and a 50hp DP Tune.

What to do if your exhaust fluid tank is leaking?

If the tank heater resistance is off, replace the heater. After replacing the heater, use a scan tool to perform a reductant fluid tank level reset. Then perform a reductant system leak test. The system must hold 61-83-psi. Finally, use a scan tool to command each of the heaters on, one at a time for at least 10-seconds each.

What kind of exhaust fluid does a Ford PowerStroke use?

After that drove another 200k on the new motor, deleted as original and enjoyed the dog out of it.. When it was hot, it was a blast, had fun hitting over 130 mph playing and praying the tires would hold…always towed under ‘no power’ as my egt pyro was not hooked up after the new engine installed..