All the details about AdBlue system failures, solutions, and cancellation processes are here! Why does the engine warning light come on? How to turn off the warning light and details about AdBlue Reset are compiled for you.

What is AdBlue, How Does It Work, Should It Be Canceled?

What is AdBlue, How Does It Work, Should It Be Canceled?

A comprehensive guide on AdBlue technology for diesel vehicle owners. Everything you need to know about AdBlue usage, cancellation, and possible consequences.

What is AdBlue and How Does It Work?

AdBlue is a water-based urea solution used to reduce harmful gases emitted by diesel vehicles. This technology, particularly used in vehicles compliant with Euro 4, Euro 5, and Euro 6 standards, converts harmful NOx (Nitrogen Oxide) emissions into harmless water vapor and nitrogen, preventing the release of harmful gases into the environment.

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32.5% pure urea, 67.5% water

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1.5-2 liters usage per 100 km

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Reduces NOx emissions by up to 90%

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Starts freezing at -11°C

Why Is AdBlue Canceled?

  • System failures and high repair costs
  • Difficulties in continuously supplying AdBlue fluid
  • Concerns about performance issues and increased fuel consumption
  • AdBlue tank taking up space inside the vehicle
  • System failing again after being repaired

Attention!

AdBlue cancellation should be carefully considered, taking into account environmental impacts and legal situations. Cancellation may void your vehicle's warranty.

AdBlue Failures and Solutions

  • Low AdBlue Level: The simplest solution is to refill the AdBlue tank.
  • Poor AdBlue Quality: The tank should be emptied and refilled with high-quality AdBlue.
  • AdBlue Pump Failure: The pump may need to be replaced.
  • AdBlue Injector Clogging: The injector should be cleaned or replaced.
  • NOx Sensor Failure: Sensor calibration or replacement may be necessary.
  • AdBlue Warning Light: If the light remains on after refilling, the system may need to be reset using a diagnostic tool.

Frequently Asked Questions

AdBlue System
Cancellation and Consequences
Failures and Solutions

What is AdBlue and how does it work?

AdBlue is a water-based urea solution used in diesel vehicles to reduce NOx emissions. It is injected into the exhaust system, converting harmful gases into water and nitrogen. It works together with the DPF and EGR systems.

Which vehicles use AdBlue?

The AdBlue system is generally used in diesel vehicles that comply with Euro 5 and Euro 6 emission standards, heavy-duty vehicles, new generation light commercial vehicles, and some diesel passenger cars manufactured after 2015.

How often should AdBlue be refilled?

The frequency of AdBlue refilling varies depending on the vehicle model and usage. It typically requires refilling between 5,000 to 10,000 km. Modern vehicles display AdBlue levels and remaining distance on the dashboard.

Does the AdBlue system affect fuel consumption?

The AdBlue system may slightly increase fuel consumption, but this increase is usually negligible. In some cases, it can even improve engine efficiency, leading to a slight reduction in fuel consumption.

AdBlue cancellation reviews: What are user experiences?

User reviews are generally mixed. Some users are satisfied with fuel savings and performance improvements, while others regret the decision due to legal risks and environmental concerns.

What are the disadvantages of canceling AdBlue?

The main disadvantages of AdBlue cancellation include environmental harm, the risk of legal penalties, and voiding the vehicle's warranty.

Is AdBlue cancellation legal?

AdBlue cancellation is illegal. Such modifications to the vehicle's emission system are against the law in many countries because the system is designed to minimize harmful gases released into the atmosphere.

How does canceling AdBlue affect vehicle performance?

When AdBlue is canceled, vehicle performance and pulling power often improve. Additionally, modern vehicles with software updates may reactivate the canceled systems.

What causes AdBlue failure?

AdBlue failures are typically caused by poor quality AdBlue, low levels of AdBlue, pump or injector failures, NOx sensor issues, or leaks in the system.

How to turn off the AdBlue light?

To turn off the AdBlue light, first check and refill the AdBlue tank, then start the engine and let it idle for a while. If the light remains on, drive the vehicle for a short distance. If this does not solve the issue, reset the system using a diagnostic tool.

What to do if AdBlue freezes?

AdBlue starts to freeze at -11°C. If frozen, do not try to thaw it forcefully. Move the vehicle to a warmer environment and allow the AdBlue to thaw naturally. Freezing does not affect the chemical composition of AdBlue, and it will resume normal function once thawed.

How to identify the quality of AdBlue?

High-quality AdBlue should be clear and colorless, with a faint ammonia-like odor. If it is cloudy, colored, or contains particles, it may be of poor quality. Always choose products from approved manufacturers and store them under proper conditions.

Will the vehicle run if the AdBlue system fails?

In modern vehicles, if the AdBlue system fails or the AdBlue tank is empty, the vehicle may not start or may switch to a low-performance mode. This is a precaution implemented by manufacturers to ensure compliance with emission standards.

Conclusion

AdBlue technology is an important step towards eco-friendly vehicle usage. Some users may opt for cancellation due to system failures and high costs. However, the legal and environmental risks of canceling AdBlue should not be overlooked.

For the best decision, it is recommended to consult your vehicle manufacturer or an authorized service center and seek professional advice. Remember, eco-friendly technologies benefit both you and our planet in the long run.