AdBlue is becoming more common in diesel vehicles because it helps reduce harmful emissions. While AdBlue is very useful for keeping the environment clean, using it the wrong way can cause several problems for your vehicle. In this blog, we’ll talk about what can go wrong if is not used properly, how to avoid these issues, and what you should always keep in mind.
Note : If you’re looking for high-quality AdBlue Riyadh, make sure you choose a trusted supplier. Get the right product at the right price and keep your vehicle running smoothly. Contact us today to order or learn more!
What Is AdBlue and Why Is It Important?
AdBlue Helps Reduce Pollution from Diesel Vehicles
AdBlue is not a fuel or an engine oil. It is a clear liquid made of urea and deionized water. It is used in diesel vehicles that have SCR (Selective Catalytic Reduction) systems. The main purpose of AdBlue is to reduce harmful gases like nitrogen oxides (NOx) from the exhaust.
When AdBlue is sprayed into the exhaust system, it breaks down the NOx gases into harmless nitrogen and water vapor, which go out through the tailpipe.
AdBlue Is Now Common in New Diesel Cars, Trucks, and Vans
If you drive a modern diesel vehicle, especially one made after 2015, there’s a good chance it uses AdBlue. You will see a separate AdBlue tank with its own blue cap, usually located next to the fuel tank or in the boot.
What Happens If You Use AdBlue Incorrectly?
If AdBlue is not handled properly, it can lead to engine warnings, vehicle breakdowns, repair costs, and even damage to your emissions system. Let’s go over the main problems that can happen.
Problem 1: Engine Warning Lights and Vehicle Not Starting
Your Car May Not Start Without Enough AdBlue
One of the most common issues is running out of AdBlue. Most diesel vehicles have sensors that measure the AdBlue level. If the level gets too low, the car will usually give you dashboard warnings like “AdBlue Range Low” or “Refill AdBlue.”
If you ignore these warnings and keep driving until it runs out, the car might refuse to start after you turn it off. This is a safety feature to make sure emissions stay under control. It’s not a fault — it’s built into the system.
Restarting the Car May Not Work Even After Refilling
Sometimes, if you refill the AdBlue too late or use the wrong method, the system might not reset automatically. You may need a mechanic or a diagnostic tool to clear the warning and allow the engine to start again.
Problem 2: Using the Wrong Fluid Can Cause Major Damage
Never Add Water, Diesel, or Any Other Liquid in the AdBlue Tank
Adding the wrong fluid — like water, diesel fuel, or any other liquid — to the AdBlue tank can seriously damage the SCR system. This system is very sensitive. It is designed only for AdBlue that meets the ISO 22241 standard.
If you put in the wrong fluid, it might:
- Corrode the metal parts inside the exhaust system
- Block the injectors that spray AdBlue into the exhaust
- Cause the entire system to fail
These repairs can be very expensive, sometimes costing thousands of dirhams or dollars.
What to Do If You Made a Mistake
If you accidentally added the wrong fluid to the AdBlue tank, do not start the engine. Call a professional or your car’s service center. They might need to drain and clean the tank and system before any damage happens.
Problem 3: Poor Storage or Expired AdBlue Can Cause Crystals
AdBlue Has a Shelf Life — It Doesn’t Last Forever
AdBlue can go bad over time, especially if it’s stored in hot or dirty places. Normally, AdBlue lasts for about 1 to 2 years if stored properly in a cool and dry place.
If AdBlue gets too old or is exposed to sunlight and high heat, it may break down. When this happens, it can form white crystals inside the system.
These crystals can:
- Block the AdBlue injector
- Damage the SCR system
- Trigger dashboard warning lights
Always Check the Expiry Date Before Use
If you’re using bottled or bulk AdBlue, check the expiry date on the label. If it’s expired or looks cloudy or smells bad, don’t use it.
Problem 4: Spills and Leaks Can Cause Corrosion
AdBlue Can Damage Metal Surfaces if Not Cleaned Properly
AdBlue is not dangerous to touch, but it can be corrosive to metals, especially if left for too long. If you spill AdBlue on your car, engine bay, or fuel tank cap, make sure to:
- Wipe it off right away with water and a clean cloth
- Don’t let it dry on the surface
If it dries, it can leave behind white crystal marks and may cause rust or damage to metal parts.
Problem 5: Using Low-Quality AdBlue or Fake Products
Cheap or Fake AdBlue Can Harm Your Vehicle
There are many brands of AdBlue in the market, but not all are the same. Some cheap or fake AdBlue products may not meet the required standards. Using low-quality AdBlue can:
- Block the AdBlue injectors
- Create extra pressure in the system
- Cause failure of SCR parts
- Show false warnings on the dashboard
Always make sure the AdBlue you buy is ISO 22241 certified and comes from a trusted source.
Problem 6: Freezing or Overheating Can Reduce Effectiveness
AdBlue Freezes Below -11°C
In very cold weather, AdBlue can freeze, since it is made of water. Most vehicles have heaters in the AdBlue tank that help thaw it before use. But if the heater fails, or you store AdBlue outside, it can freeze and become unusable.
AdBlue Can Also Be Damaged by Extreme Heat
High heat can cause AdBlue to break down early. If you leave the bottle or container in the sun or a hot garage for too long, the liquid may lose its ability to reduce emissions properly.
How to Use AdBlue the Right Way
Tips to Keep Your AdBlue System Working Smoothly
Here are some easy and useful tips to avoid the problems mentioned above:
✔ Refill AdBlue Before It Runs Out
Don’t ignore the low AdBlue warning light. Top it up when the level is low to avoid starting issues.
✔ Use Only Certified AdBlue
Always use AdBlue that meets ISO 22241 standards. Stick to known brands.
✔ Store It in a Cool, Dry Place
Keep it away from sunlight and heat. Don’t leave it in your car for too long.
✔ Don’t Mix It with Other Fluids
Never pour diesel, water, or any other liquid into the AdBlue tank.
✔ Clean Spills Right Away
If AdBlue spills on your car or hands, rinse it off with water immediately.
What Should You Do If There’s a Problem?
When to Visit a Mechanic or Service Center
If you see any of these warning signs, it’s time to visit a mechanic or authorized service center:
- AdBlue warning light stays on even after refilling
- Strong smell or white crystals from the exhaust
- Engine not starting after a refill
- You’re not sure if the AdBlue you used is genuine
Don’t try to fix the system yourself unless you are trained. The SCR system is very sensitive, and mistakes can make things worse.
Final Thoughts: Use AdBlue the Right Way to Avoid Trouble
AdBlue is an important part of modern diesel vehicles. It helps reduce pollution and keeps your vehicle legal for the road. But using it the wrong way can cause big and costly problems.
If you want your diesel car or truck to run smoothly, always use the right AdBlue, keep it stored properly, and refill it on time. It only takes a little care to avoid major issues.
👍 Stay Safe and Keep Your Vehicle Running Smoothly
Have more questions about AdBlue or facing problems with your diesel vehicle? Talk to your mechanic or vehicle service center for advice — or drop a message here, and we’ll be happy to help!
For more insightful articles related to this topic, feel free to visit techners
Leave a Reply