Why You Need It

AdBlue is a trademarked name for a solution of urea and deionized water that is used as a reducing agent in selective catalytic reduction (SCR) systems in diesel engines. AdBlue is injected into the exhaust gases of diesel engines to reduce the emissions of nitrogen oxides (NOx), which are harmful pollutants that contribute to air pollution and acid rain.

When AdBlue is injected into the exhaust system of a diesel engine, it reacts with the NOx in the exhaust gas, converting it into harmless nitrogen and water. This process reduces the amount of harmful pollutants that are released into the atmosphere, making diesel engines cleaner and more environmentally friendly.

AdBlue is required in many modern diesel engines to meet increasingly strict emissions regulations, such as the Euro 6 standard in Europe and the EPA 2010 standard in the United States. Although not every car uses AdBlue. But chances are if you’ve got a diesel from Jaguar, Land Rover or any French or German manufacturer, and it was registered new after September 2015, it’ll use AdBlue. Without AdBlue, diesel engines would not be able to meet these standards, and their use would be restricted or prohibited in many areas.

If you run out of AdBlue while you’re driving, then the engine’s power and performance will be reduced to limit its emissions. Once you’ve stopped, you won’t be able to restart the engine if the AdBlue tank’s empty.

The car will give you plenty of warning that the AdBlue tank’s running low. You'll usually see a text warning on the dashboard at around 200 kilometres to go followed by an amber warning light.

Does My Car use AdBlue?

Some older cars or vehicles from other manufacturers use AdBlue too. So if you’re not sure if your car uses it, you can check:

• The vehicle handbook.
• See if there’s an AdBlue filler cap either next to the fuel filler, in the boot or under the bonnet.
• If the model name contains ‘Blue’ or ‘SCR’.
• If you’re still not sure, ask a dealer.

How long does AdBlue last?

The rate at which you use AdBlue depends on your engine and how economically you drive. Typical consumption is around a litre of AdBlue every 1000 kilometres. But it could be as high as a litre every 500 kilometres.

Tank size varies too, so you could need to refill somewhere between 5,000 and 20,000 kilometres depending on the car and your driving style. This means that most drivers will have to top-up their AdBlue reservoir at least once between normal service visits to the dealer.

Recommended Product:

Engen Adblue 10L

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• Product: AdBlue
• Description: Urea Solution 32.5%
• SAE Grade: Industry Standard: ISO 22241
• OEM Specifications