Page 477 of 666
475 Practical hints
What to do if ...
5
•
The red coolant warning
lamp lights up while the en-
gine is running.
The coolant temperature is too high.
\1Do not drive any further.
\1Consult an authorized Sprinter Dealer.
If the vehicle is switched off after being sub-
jected to extreme loads (for example driving
in mountainous terrain, trailer towing, etc.),
the coolant warning lamp may light up when
the ignition is switched on or the engine is
restarted. Run the engine for approximately
1 minute at idling speed.
Consult an authorized Sprinter Dealer if the
coolant warning lamp remains lit.
A
The yellow reserve fuel
warning lamp lights up while
the vehicle is in motion.
The fuel level has fallen into the reserve range.
\1Refuel at the nearest refueling station
(\2page 316).
Problem
Possible cause / result
Suggested solutions
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Page 478 of 666
476 Practical hintsWhat to do if ...
5
A
The yellow reserve fuel
warning lamp lights up while
the engine is running and
the gauge for the fuel tank
shows zero although there is
still fuel in the tank.
The fuel filler cap is not closed.
\1Close the fuel filler cap. A clicking
sound indicates that the fuel filler cap is
closed.
\1If the malfunction continues to be indi-
cated, have it rectified immediately at
an authorized Sprinter Dealer.
q
The yellow preglow indicator
lamp lights up while the en-
gine is running.
There is a malfunction in the preglow system.
\1Consult an authorized Sprinter Dealer.
Problem
Possible cause / result
Suggested solutions
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Page 479 of 666

477 Practical hints
What to do if ...
5
Problem
Possible cause / result
Suggested solutions
±
The yellow engine diagnostic
indicator lamp lights up or
flashes while the engine is
running.
The fuel tank has run dry.
The engine may be running in emergency mode.
\1Refuel at the nearest refueling station.
\1On vehicles with a diesel engine:
Bleed the fuel system (\2page 544).
\1
Start the engine three to four times after refu-
eling. Emergency mode will be canceled. You
do not need to have your vehicle checked.
There is a malfunction:
\4in the fuel injection system
\4in the ignition system
1
\4in the exhaust system.
The emission limit values may be exceeded and
the engine may be running in emergency mode.
Engine power output may be reduced.
\1Have the vehicle checked immediately at
an authorized Sprinter Dealer.
‰
The yellow air cleaner indica-
tor lamp
2 lights up while the
ignition is on.
The service limit for the air cleaner has been
reached. The air cleaner is dirty.
\1Have the filter cartridge replaced at an au-
thorized Sprinter Dealer.
1 Only vehicles with a gasoline engine.
2 Only vehicles with a diesel engine.
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Page 482 of 666

480 Practical hintsWhat to do if ...
5
Warning!
G
Each tire, including the spare (if provided),
should be checked monthly when cold
and inflated to the inflation pressure rec-
ommended by the vehicle manufacturer
on the vehicle placard or the tire inflation
pressure label. (If your vehicle has tires of
a different size than the size indicated on
the vehicle placard or the tire inflation
pressure label, you should determine the
proper tire inflation pressure for those
tires).
Continued
Warning (Continued)
G
As an added safety feature, your vehicle
has been equipped with a Tire Pressure
Monitoring System (TPMS) that illumi-
nates a low tire pressure telltale when one
or more of your tires is significantly under-
inflated. Accordingly, when the low tire
pressure telltale illuminates, you should
stop and check your tires as soon as pos-
sible, and inflate them to the proper pres-
sure. Driving on a significantly
underinflated tire causes the tire to over-
heat and can lead to tire failure.
Continued
Warning (Continued)
G
Underinflation also reduces fuel efficiency
and tire tread life, and may affect the ve-
hicle’s handling and stopping ability.
Please note that the TPMS is not a substi-
tute for proper tire maintenance, and it is
the driver’s responsibility to maintain cor-
rect tire pressure, even if underinflation
has not reached the level to trigger illumi-
nation of the TPMS low tire pressure tell-
tale.
Continued
nf_BA.book Page 480 Friday, January 25, 2008 3:53 PM
Page 511 of 666
509 Practical hints
Display messages
5
N
Engine oil level
Check
oil level
The engine oil level has dropped to a critical
level.
\1Check the engine oil level (\2page 323)
and add oil as necessary.
\1Have the engine checked for possible leaks
if you are having to add engine oil more fre-
quently than normal.
Engine oil
Add
1.0 quart(Canada:
liter
)
The engine oil level is too low.
\1Check the engine oil level (\2page 326) the
next time you refuel and add oil if neces-
sary.
Display symbol
Display message
Possible cause / result
Possible solution
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Page 512 of 666
510 Practical hintsDisplay messages
5
N
Engine oil level
Reduce
oil level
You have added too much engine oil. There
is a risk of damage to the engine or the cat-
alytic converter.
\1Check the engine oil level and have any ex-
cess oil siphoned off at the nearest refuel-
ing station (\2page 328).
The engine or the catalytic converter could be
damaged.
\1If the oil level is correct, have the malfunc-
tion rectified as soon as possible at an au-
thorized Sprinter Dealer.
Oil sensor
Visit
workshop
The measuring system is malfunctioning.
\1Have the measuring system checked at an
authorized Sprinter Dealer.
Engine oil level
Not when eng.
running
You are attempting to check the engine oil
level even though the engine is running.
\1Switch off the engine.
\1Check the engine oil level (\2page 322).
Display symbol
Display message
Possible cause / result
Possible solution
nf_BA.book Page 510 Friday, January 25, 2008 3:53 PM
Page 513 of 666
511 Practical hints
Display messages
5
W
Reserve fuel
Drive to a
gas station
The fuel level has fallen into the reserve
range.
\1Refuel at the nearest gas station
(\2page 316).
Tank open
Check
filler cap
The fuel filler cap is not closed.
\1Close the fuel filler cap. A clicking sound in-
dicates that the fuel filler cap is closed.
\1If the malfunction continues to be indicat-
ed, have it rectified immediately at an au-
thorized Sprinter Dealer.
9
Doors open
You are already driving at walking pace, even
though not all the doors are closed.
\1Close the doors.
Hood open
You are already driving at walking pace, even
though the hood is not closed.
\1Close the hood.
Display symbol
Display message
Possible cause / result
Possible solution
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Page 514 of 666
512 Practical hintsDisplay messages
5
/
Water in
Fuel
Visit
workshop
The water that has collected in the water
separator has reached the maximum level.
\1Drain the water separator (\2page 542).
or
\1Have the water separator drained at an au-
thorized Sprinter Dealer.
W
Washer fluid
Check level
The washer fluid level has dropped to ap-
proximately
1/3 of the reservoir capacity.
\1Add windshield washer fluid (\2page 333).
Display symbol
Display message
Possible cause / result
Possible solution
nf_BA.book Page 512 Friday, January 25, 2008 3:53 PM