What is AdBlue?

Author Name – Jack Underwood

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Back in September 2015, a new law was brought in to ensure that all cars (as well as light commercial vehicles), must be compliant with Euro 6 standards for exhaust emissions. If your car fails its exhaust emissions test during an MOT check, you will fail your MOT. Unlike diesel vehicles manufactured before 2015, Euro 6 compliant engines require AdBlue. This helps reduce N0x emissions being pumped out into the atmosphere.

what is adblue

If you notice an AdBlue dashboard warning light appear, it is important that you get this checked as this warning light could result in your vehicle losing power, going into ‘limp’ mode or simply failing to start. This AdBlue dashboard warning light will stay on your dashboard until you have fixed the issue.

Related: Car dashboard warning lights

How does AdBlue work?

 SCR technology is used to pump small quantities of AdBlue into the gases of the exhaust. Within a diesel exhaust, when AdBlue is combined with the gases, this turns the harmful N0x gas into water and nitrogen.

Related: Reducing diesel emissions

What is SCR Technology?

SCR technology is the technology used to reduce N0x emissions from the exhaust gas of diesel engines. SCR stands for Selective Catalytic Reduction.

How often should you top up AdBlue?

How much AdBlue is required differs from vehicle to vehicle, however long term tests suggest that cars will typically require a top-up every 5,000 to 8,000 miles.

Does my car need Adblue?

If you own a petrol, electric or diesel vehicle manufactured before 2015, then your car will not need AdBlue. If you own a diesel vehicle that was manufactured after 2015 then your vehicle will need AdBlue to ensure that N0x emissions are reduced. Failure to address this issue after a dashboard warning light could cause your vehicle issues, such as losing power or failing to start.

Where is the AdBlue filler tank?

The AdBlue filler tank is easily recognised by its blue cover and sometimes can be mistaken for a screen wash tank. You can top up AdBlue yourself, however, before doing so, make sure that you refer to your vehicle handbook. Please note that there are different specifications of AdBlue so it is vitally important that your top your vehicle up with the correct AdBlue specification to previous serious and costly issues.

Servicing at National

At National Tyres and Autocare, as well as tyres, batteries and MOT checks, we also offer a range of servicing packages. We offer an Express Service from £50.95. We also offer an Interim Service and a Full Service which are priced from £80.95 and £140.85. As part of the Interim and Full service, the AdBlue warning light will be checked.

Related: Car Servicing

Where can I buy AdBlue?

If you notice that your Adblue dashboard warning light has appeared, then it is important that your AdBlue is topped up. If you do not feel confident in topping this up yourself, please give your local National Tyres and Autocare branch a call to see if they have any AdBlue in stock. To find your local National Tyres and Autocare branch, please click on the button below. On this page, you will find the telephone numbers for all of our branches.

Related: National Branches

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