2008 Ford F250 Diesel Supplement 4th Printing - Page 13

2008 Ford F250 Manual

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Driving • The timer can be reset by changing the position of the accelerator pedal, brake pedal or the park brake within the final 30 seconds. • When the timer reaches zero, the engine shuts down and the message center will display ENGINE TURNED OFF. • One minute after the engine has shut down, the electrical system will simulate key off, even though the ignition is still in the on position, initiating normal accessory delay period. • The ignition must be moved to the off position to reset the system before restarting the vehicle. Note: The engine idle shutdown idle timer will not start if: • The engine is operating in power take-off (PTO) mode. • The engine coolant temperature is below 60°F (16°C). • The exhaust emission control device (DPF) is regenerating. STOPPING THE ENGINE Turn the ignition to 3 (off). On E-Series vehicles, to prolong engine life (after extended high speed or maximum GVW operation), it is recommended that a hot engine be idled for 7-10 minutes which will allow the turbocharged engine to cool down. On F-Super Duty vehicles, to prolong engine life (especially after extended high speed, high ambient temperature, or high GVW/GCW operation), it is recommended that a hot engine be idled for 3-5 minutes which will allow the turbocharged engine to cool down. COLD WEATHER OPERATION Changing to a lighter grade engine oil also makes starting easier under these conditions. Refer to Engine oil specifications in the Maintenance and Specifications chapter of this supplement. At temperatures below 20°F (-7°C), number 2-D diesel fuel may thicken enough to clog the fuel filter. Your vehicle is equipped with either an FCM (E-Series) or an HFCM (F-Super Duty) which acts as a fuel filter/water separator to keep the wax melted which will help prevent fuel filter clogging. However, if the engine starts but stalls after a short time and will not restart, the fuel filter(s) may be clogged. For best results in cold weather, use Number 1-D diesel fuel or "winterized" Number 2-D diesel fuel which has an additive to minimize wax formation. If you have problems operating on biodiesel during cold weather, you may need to use a diesel fuel with lower biodiesel content, try another brand, or discontinue the use of biodiesel. 13

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•
The timer can be reset by changing the position of the accelerator
pedal, brake pedal or the park brake within the final 30 seconds.
•
When the timer reaches zero, the engine shuts down and the message
center will display
ENGINE TURNED OFF
.
•
One minute after the engine has shut down, the electrical system will
simulate key off, even though the ignition is still in the on position,
initiating normal accessory delay period.
•
The ignition must be moved to the off position to reset the system
before restarting the vehicle.
Note:
The engine idle shutdown idle timer will not start if:
•
The engine is operating in power take-off (PTO) mode.
•
The engine coolant temperature is below 60°F (16°C).
•
The exhaust emission control device (DPF) is regenerating.
STOPPING THE ENGINE
Turn the ignition to 3 (off).
On E-Series vehicles,
to prolong engine life (after extended high speed
or maximum GVW operation), it is recommended that a hot engine be
idled for 7–10 minutes which will allow the turbocharged engine to cool
down.
On F-Super Duty vehicles,
to prolong engine life (especially after
extended high speed, high ambient temperature, or high GVW/GCW
operation), it is recommended that a hot engine be idled for 3-5 minutes
which will allow the turbocharged engine to cool down.
COLD WEATHER OPERATION
Changing to a lighter grade engine oil also makes starting easier under
these conditions. Refer to
Engine oil specifications
in the
Maintenance
and Specifications
chapter of this supplement.
At temperatures below 20°F (–7°C), number 2–D diesel fuel may thicken
enough to clog the fuel filter. Your vehicle is equipped with either an
FCM (E-Series) or an HFCM (F-Super Duty) which acts as a fuel
filter/water separator to keep the wax melted which will help prevent
fuel filter clogging. However, if the engine starts but stalls after a short
time and will not restart, the fuel filter(s) may be clogged. For best
results in cold weather, use Number 1–D diesel fuel or “winterized”
Number 2–D diesel fuel which has an additive to minimize wax
formation. If you have problems operating on biodiesel during cold
weather, you may need to use a diesel fuel with lower biodiesel content,
try another brand, or discontinue the use of biodiesel.
Driving
13