Diesel Exhaust Fluid (DEF) – Tank – FAQ’s

Q: What is Diesel Exhaust Fluid (DEF)?
A: DEF is a non-toxic, colorless solution used in diesel engines to reduce harmful emissions.

Q: How does the DEF tank system work?
A: The DEF tank stores the fluid, and it is injected into the exhaust stream to break down harmful nitrogen oxides.

Q: Can I use water instead of DEF?
A: No, using water instead of DEF will damage your vehicle’s emission control system.

Q: How often should I refill the DEF tank?
A: Refill frequency varies based on vehicle usage, but it’s typically every few thousand miles.

Q: What happens if my DEF tank runs empty?
A: Your vehicle will be limited to a reduced speed until you refill the DEF tank.

Q: Is it safe to handle DEF?
A: Yes, DEF is non-hazardous and safe to handle with normal precautions.

Q: Can I mix different brands of DEF in the same tank?
A: It’s best to use the same brand of DEF consistently for optimal performance and compatibility.

Q: Where can I purchase DEF for my vehicle?
A: You can find DEF at most gas stations, auto parts stores, and dealerships.