What are the consequences of not using AdBlue?
2 Answers
The consequences of not using AdBlue include environmental pollution, increased fuel consumption, and fines if detected. The specific consequences are as follows: Not using AdBlue pollutes the environment: To balance particulate emissions, the injection timing of China VI SCR vehicles is set earlier. If urea is not injected, nitrogen oxide emissions will be even worse than those of China III vehicles. Long-term absence of urea circulation can easily cause crystallization and blockage in the nozzle, pipelines, and urea pump, or damage due to high temperatures, making repairs very expensive. If regulations are followed, not adding urea, adding water, or diluting urea with water will trigger the emissions warning light, limit torque, and significantly reduce the vehicle's power. Not using AdBlue increases fuel consumption: If urea is not used for a long time, the chemicals in the diesel vehicle's system will oxidize quickly, and the urea nozzle will become blocked, potentially rendering the entire system useless. Additionally, diesel vehicles without urea emit four times more nitrogen oxides than those with urea. Due to the OBD's torque limitation function, vehicles without urea will experience reduced power and increased fuel consumption. Not using AdBlue may result in fines if detected: Many regions now have exhaust emission testing points, similar to speed detection. If excessive emissions are detected, the vehicle will be penalized.
Previously, I drove a diesel vehicle and ran into trouble after failing to refill the AdBlue tank. The dashboard warning light came on, and the system automatically limited the engine power, making the car feel sluggish as if it were tied up, struggling even to overtake. If left unfilled for a long time, the SCR system could fail, leading to excessive emissions that not only pollute the environment but may also trigger fault codes, resulting in costly repairs. Now, I always check the AdBlue tank before refueling to ensure it's full, saving both hassle and money. Remember, some models have a protection mechanism—running without AdBlue might force the vehicle into limp mode, severely compromising driving safety. This fluid primarily reduces nitrogen oxides in exhaust gases. Skipping it is like driving a toxic emission machine, harmful to both the atmosphere and health, so timely refills are essential.
