Volvo S80 Owner's Manual page 320

07 During your journey
Fuel
Empty tank
The design of the fuel system in a diesel
engine means that if the vehicle runs out of
fuel, the tank may need to be vented in the
workshop in order to restart the engine after
fuelling.
Once the engine has stopped due to fuel
starvation, the fuel system needs a few
moments to carry out a check. Do this before
starting the engine, once the fuel tank has
been filled with diesel:
1. Insert the remote control key in the igni-
tion switch and push it in to the end posi-
tion (see page 78).
2. Press the START button without
depressing the brake and/or clutch pedal.
3. Wait approx. 1 minute.
4. To start the engine: Depress the brake
and/or clutch pedal and then press the
START button again.
NOTE
07
Before filling with fuel in the event of fuel
shortage:
•
Stop the car on as flat/level ground as
possible - if the car is tilting there is a
risk of air pockets in the fuel supply.
318
Draining condensation from the fuel
filter
The fuel filter separates condensation from
the fuel. Condensation can disrupt engine
operation.
The fuel filter must be drained at the intervals
specified in the Service and Warranty Booklet
or if you suspect that the car has been filled
with contaminated fuel.
IMPORTANT
Certain special additives remove the water
separation in the fuel filter.
Diesel particle filter (DPF)
Diesel cars are equipped with a particle filter,
which results in more efficient emission con-
trol. The particles in the exhaust gases are
collected in the filter during normal driving.
So-called "regeneration" is started in order to
burn away the particles and empty the filter.
This requires the engine to have reached nor-
mal operating temperature.
Regeneration of the particle filter is automatic
and normally takes 10-20 minutes. It may
take a little longer at a low average speed.
Fuel consumption may increase slightly dur-
ing regeneration.
Regeneration in cold weather
If the car is frequently driven short distances
in cold weather then the engine does not
reach normal operating temperature. This
means that regeneration of the diesel particle
filter does not take place and the filter is not
emptied.
When the filter has become approx. 80% full
of particles, a yellow warning triangle is
shown in the combined instrument panel, and
the message Soot filter full See manual
shown in its display.
Start regeneration of the filter by driving the
car until the engine reaches normal operating
temperature, preferably on a main road or
motorway. The car should then be driven for
approximately 20 minutes more.
NOTE
The following may arise during regenera-
tion:
•
a smaller reduction of engine power
may be noticed temporarily
•
fuel consumption may increase tem-
porarily
•
a smell of burning may arise.
When regeneration is complete the warning
text is cleared automatically.
is