The Hyundai Def system, also known as the Selective Catalytic Reduction (SCR) system, is an essential part of your vehicle’s emissions control technology. This system helps reduce harmful nitrogen oxide (NOx) emissions from your Hyundai’s exhaust, contributing to a cleaner environment. But what exactly is DEF, and how does it work within your Hyundai?
Hyundai DEF System
What is Hyundai DEF?
DEF, short for Diesel Exhaust Fluid, is a non-toxic, colorless liquid composed of 32.5% urea and 67.5% deionized water. It’s injected into the exhaust stream of your Hyundai diesel engine, where it breaks down harmful NOx emissions into harmless nitrogen and water vapor.
How the Hyundai DEF System Works:
- DEF Storage: Your Hyundai has a dedicated DEF tank, usually located near the fuel tank.
- DEF Injection: When the engine is running, a small amount of DEF is injected into the exhaust stream.
- Chemical Reaction: Inside the SCR catalyst, the DEF reacts with the NOx emissions, breaking them down into nitrogen and water vapor.
- Clean Emissions: The harmless nitrogen and water vapor are then released through the exhaust pipe.
Importance of DEF in Your Hyundai
The Hyundai DEF system is crucial for several reasons:
- Environmental Protection: It significantly reduces harmful NOx emissions, contributing to cleaner air quality.
- Engine Performance: A properly functioning DEF system ensures optimal engine performance and fuel efficiency.
- Legal Compliance: Using DEF is mandatory for Hyundai diesel vehicles to comply with emissions regulations.
Hyundai DEF FAQs
Q: How often do I need to refill DEF in my Hyundai?
A: The frequency of DEF refills depends on your driving habits and the specific Hyundai model you own. As a general guideline, expect to refill the DEF tank every 3,000 to 5,000 miles. However, always refer to your owner’s manual for specific recommendations.
Q: Can I drive my Hyundai without DEF?
A: While your Hyundai might initially run without DEF, the engine will gradually lose power, and the DEF warning light will illuminate. Eventually, the vehicle will enter “limp mode” and may not restart. It’s crucial to address DEF-related warnings promptly.
Q: Where can I buy Hyundai DEF?
A: You can purchase DEF at most gas stations, auto parts stores, and Hyundai dealerships.
Q: Is DEF the same as AdBlue?
A: Yes, AdBlue is another common name for DEF. They are essentially the same product.
Need Assistance with Your Hyundai DEF System?
For any questions or assistance regarding your Hyundai DEF system, our dedicated customer support team is available 24/7. Contact us at Phone Number: 0902476650, Email: [email protected]. You can also visit our service center at 139 Đ. Võ Văn Kiệt, Hoà Long, Bà Rịa, Bà Rịa – Vũng Tàu, Việt Nam.