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This can be avoided if the driver keeps an eye on the dash-mounted DEF gauge and
heeds the various warnings built in to the DEF storage and supply system on board the
vehicle.
The fault code would also light up the check-engine light (or malfunction indicator lamp–
MIL). In extreme cases the engine will go into a derate situation where the truck may have
to go to a dealer for the fault to be corrected.
According to PEAK Commercial & Industrial there have never been any instances
where a truck ends up in a dealership where the fault could be traced to BlueDEF. Such
few problems that have been investigated usually indicate a failure of some sensor in the
emissions system.
supply is Key
Because every post 2010 diesel vehicle requires the best, most consistent DEF to function
correctly, maintenance managers must ensure that their supplies, whether in drums, totes
or in bulk are delivered in a timely fashion. Calculators are available to predict the type
of container solution for the fleet size and the rate of adoption of post 2010 technology
vehicles. As more vehicles using SCR technology are commissioned in the fleet, the rise in
the use of DEF must be accommodated.
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