Adblue A Comprehensive Guide


As vehicles evolve to meet increasingly stringent emissions standards, innovative technologies emerge to address the environmental challenges of modern transportation. Among these advancements, the AdBlue system stands out as a critical component in the quest for cleaner air and sustainable mobility. Let's delve into the intricacies of AdBlue and its role in shaping the future of automotive engineering.

What is AdBlue?
AdBlue, also known as Diesel Exhaust Fluid (DEF), is a clear, non-toxic solution comprised primarily of urea and deionized water. It serves as a consumable additive in selective catalytic reduction (SCR) systems, integral to reducing nitrogen oxide (NOx) emissions from diesel engines. AdBlue undergoes a chemical reaction within the SCR catalyst, converting harmful NOx gases into harmless nitrogen and water vapour, thereby curbing pollution and promoting cleaner air quality.

What other names are used to describe AdBlue?
While "AdBlue" is a widely recognized term, it's worth noting that different regions and manufacturers may employ alternative names for the same substance. Some common aliases include Diesel Exhaust Fluid (DEF), Arla 32, and AUS 32 (Aqueous Urea Solution 32.5%). Regardless of the label, these products share the same fundamental composition and function within SCR-equipped vehicles.

What does the AdBlue system do?
The AdBlue system plays a pivotal role in mitigating harmful emissions from diesel engines by facilitating the conversion of NOx into benign byproducts. Upon injection into the exhaust stream, AdBlue reacts with the NOx under the influence of heat and the SCR catalyst, breaking down the pollutant molecules into nitrogen and water. This process enables diesel vehicles to comply with stringent emissions regulations while minimizing their environmental footprint.

What are typical errors that occur with AdBlue systems?
Despite its efficacy, AdBlue systems may encounter occasional issues that necessitate attention and maintenance. Common errors include AdBlue pump failures, sensor malfunctions, and DEF injector clogging. Additionally, improper handling or contamination of AdBlue fluid can lead to system malfunction and trigger warning indicators on the vehicle dashboard. Prompt diagnosis and remediation of these issues are essential to ensure continued compliance with emissions standards and optimal engine performance.

What is the AdBlue countdown and what does it mean?
The AdBlue countdown refers to a feature in modern vehicles equipped with AdBlue systems that monitor the level of DEF remaining in the tank. As the vehicle consumes AdBlue during operation, the countdown gradually decreases to indicate the remaining mileage or distance until the next refill is required. Once the AdBlue level reaches a predetermined threshold, typically a few thousand miles or kilometres, the countdown prompts the driver to replenish the DEF reservoir to ensure uninterrupted operation of the SCR system. Ignoring the AdBlue countdown warnings can lead to reduced engine performance or even immobilization of the vehicle until the AdBlue tank is refilled.

What are the typical costs of parts for the repair of AdBlue systems?
The cost of repairing AdBlue systems can vary depending on the nature of the problem and the specific components requiring replacement. Generally, expenses may encompass the price of AdBlue fluid, DEF pumps, sensors, injectors, and associated wiring or plumbing. While routine maintenance and proper handling can help mitigate potential repair costs, addressing issues promptly and employing high-quality replacement parts are crucial for preserving the integrity and efficiency of the AdBlue system.

Amidst the complexities of AdBlue technology, establishments like MPG Tuning stand as trusted authorities in the realm of automotive engineering. With over 18 years of expertise and an impressive track record of over 470 genuine five-star reviews, MPG Tuning exemplifies excellence in AdBlue system maintenance and optimization. Their commitment to delivering superior service and client satisfaction underscores their status as a premier destination for discerning vehicle owners seeking reliable solutions and peace of mind.

In conclusion, the AdBlue system emerges as a cornerstone of environmentally conscious automotive design, offering a proactive approach to reducing harmful emissions and fostering sustainable transportation solutions. By understanding its function, addressing potential challenges proactively, and adhering to the AdBlue countdown, drivers can embrace the promise of cleaner air and a brighter automotive future.

IMI Certified Tuning Specialist

MPG Tuning Ltd
Unit 44 Rumerhill Business Estate
Cannock, Staffordshire, WS11 0ET

 Tel: 01543 466662


MPG Tuning Offer Professional ECU Remap and Tuning services including but not limited to ECU Remapping, EGR Delete, DPF Solutions, VAG Emissions Recall Scandal Rollback, Tricore Processor Programming, Boot Mode and Traditional Chip Tuning.

MPG Tuning is based in Cannock Staffordshire but serve customers from further afield typically from the following areas, Lichfield, Burntwood, Rugeley, Stafford, Brownhills, Walsall, Wolverhampton, Birmingham, Tamworth plus many more areas throughout the West and East Midlands.

© Copyright MPG Tuning 2018 – Monitored by OC-RiS

contact us

Choosing a Good Tuner is as important as choosing a Good Doctor.

You will be presented with a bewildering selection of companies, all claiming to be the best in the industry. Unfortunately the industry has been flooded with “Get Rich Quick” merchants all desperate to take your money from you. In many cases the “Get Rich Quick” operators have invested in “Cloned” counterfeit remapping tools off the internet. They have little “if any” industry knowledge, experience or liability insurance…

Don’t get sucked in by a good story and what appears to be an incredible price. Instead of taking the word of self-acclaimed tuning experts, a search on google will reveal some very interesting, yet disturbing facts about a few “so called” professionals. Unlike some testimonials “Bert for Bognor says we are Brill” our customers are real people. Don’t take our word for it, ask the people that know best “Our Customers”

I went for a remap on my T5 as it had an awful flat spot around 2800 rev's I got great personal service and its like having a new engine in the van smooth power and greater economy.... Highly recommended wish I'd done it months ago it would have paid for it self already thanks a lot hills are no longer a drag.

Adrian McManus

Popped in to see Mike on Friday to have my A4 2.0TDi 170hp remapped. Have to say I was a little pessimistic at first having being told by another firm that remaps on these were a nightmare so was expecting the worst! Thankfully, nothing of the sort, straight in, one error message unknown but Mike worked it out and all done in no time. Straight out for a test run and the drive is very different, certainly mid ranged (where these engines seem to suffer) pulls away nicely and can definitely feel the benefit. Best money I've ever spent on a car in, well, forever! Thanks again Mike

Mark Patterson

Had the ECU my 320D remapped by Mike yesterday. Very impressed with the results. Noticed it straight away after having it done. Service was also great, talked me through all of it to get exactly what I wanted out of it. Highly recommend mpg tuning.

James Aston

Took my Civic Mk VIII 2.2 CDTI to Mike following a recommendation from a friend who's had his last few cars remapped at MPG., professional service and answered any questions I had. Customised remap that gave me a good balance between performance and economy. Mike was happy to let me watch the whole procedure and explained what he was doing. Makes a good brew as well! Would highly recommend, Will definitely bring my future motors here.

Dan Wright

Just had the ECU on my BMW 320D remapped and it is absolutely superb the power is unbelievable and the service is outstanding would recommend it to anybody he has transformed my car from 160 bhp to 207 bhp no smoke at all and the power delivery is awesome throughout all of the gears really happy.

Tom Dawson

Had my Astra 1.9cdti remapped here with EGR delete for a great price, I have now got the full power and yes it's rapid lol.... Mike was helpful and talked me through it all and also good after care as well. Thanks again.

Scott Walker

Had my T5 remapped today. Over the moon with the results! Really reasonable price and customer service is second to none! Would highly recommend!

Ethan Tunnicliffe

I had my car remap done and I'm really pleased with MPG Tuning. Great atmosphere, great service and I will recommend it to all my friends. Thank you once again. Renault Megane 2.0 Turbo petrol with 165 hp standard

David Wojtasik

Took my Astra estate for a ecu remap, excellent job feels a lot more responsive!

Umair Khalid

Mike remapped my car. Perfect professional service from start to the end. For less than 2 hours everything was done. If you want a different feeling when you are driving MPG Tuning is your place to go.

Dimitar Dimitrov

My boyfriend has exactly the same car as me 1.5 diesel fiesta, had his remapped and was over the moon with it. I had never thought of having a car remap but after driving his, mine felt heavy and slow so decided to get mine done too, now I am converted I love it even more and I am getting about 80-90 miles per tank better than before, very happy , great friendly service and awesome cuppa while we waited

Kelly Williams

Had my renault van remapped at mpg tuning, awesome power, can now keep up with pigeons, thanks Mike for an excellent job 👍👍



Our lead technician has over 16 years’ experience in the tuning industry and long term connections with some of the Worlds most experienced data programming and tuning specialists. We are extremely passionate about our customer satisfaction and strive for a perfect result every time.

Contact MPG Tuning today to discuss options for a professional ECU remap or Call Us: 01543 466 662