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279
7
Practical information
C4-Picasso-II_en_Chap07_info-pratiques_ed01-2016
AdBlue
®
additive and SCR system
forBlueHDiDieselengines
To assure respect for the environment and
conformity with the new Euro 6 emissions
standard,withoutadverselyaffectingthe
performance or fuel consumption of Diesel
engines,CITROËNhastakenthedecisionto
equip its vehicles with an effective system that
associates SCR (Selective Catalytic Reduction)
with a particle filter (FAP) for the treatment of
exhaustgases.
Presentation of the SCR system
UsingafluidcalledAdBlue
®
containingurea,a
catalyticconverterturnsupto85%ofnitrogen
oxides(NOx)intonitrogenandwater,whichare
harmlesstohealthandtheenvironment.
The AdBlue
®
additive is held in a special
tanklocatedunderthebootattherearof
thevehicle.Ithasacapacityof17litres:this
providesadrivingrangeofabout12500miles
(20000km),afterwhichanalertistriggered
warningyouwhenthereserveremainingis
enoughforjust1500miles(2400km).
Duringeachscheduledserviceofyourvehicle
byaCITROËNdealeroraqualifiedworkshop,
the AdBlue
®
additivetankisrefilledinorderto
allownormaloperationoftheSCRsystem.
Iftheestimatedmileagebetweentwoservices
isgreaterthan12500miles(20000km),we
recommendthatyougotoaCITROËNdealer
oraqualifiedworkshoptohavethenecessary
top-upcarriedout.
Once the AdBlue
®
tankisempty,
asystemrequiredbyregulations
preventsstartingoftheengine.
If the SCR is faulty, the level of
emissions from your vehicle will no
longermeettheEuro6standard:you
vehiclebecomespolluting.
In the event of a confirmed fault
withtheSCRsystem,youmustgo
to a CITROËN dealer or a qualified
workshopassoonaspossible:after
arunningdistanceof650miles
(1100km),asystemwillbetriggered
automaticallytopreventenginestarting.
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