2014 Ford F250 Super Duty Regular Cab Diesel Supplement Printing 1 - Page 19

2014 Ford F250 Super Duty Regular Cab Manual

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Fuel and Refueling Diesel Fuel Additives It should not be necessary to add any aftermarket additives to your fuel if you use a high quality diesel fuel that conforms to ASTM industry specifications. Aftermarket additives can damage the fuel injector system or engine. Use Motorcraft® cetane booster or an equivalent cetane booster additive if you suspect fuel has low cetane. Use Motorcraft® anti-gel & performance improver or an equivalent additive if there is fuel gelling. Do not use alcohol-based additives to improve cetane quality, to prevent fuel gelling or any other use. The use of alcohol additives may result in damage to the fuel injectors and system. See Technical Specifications (page 56). Your warranty may not cover repairs needed to correct the effects of using an aftermarket product that does not meet Ford specifications in your fuel. Note: Ultra Low Sulfur Diesel fuel is designed to meet the emissions standards for the 6.7L engine and is backward compatible as well (for example, it can be used in the 7.3L, 6.9L, 6.4L and 6.0L diesel engines in Ford vehicles. You should drain water from the module assembly whenever the warning light comes on and the message center directs you to drain the water separator. This will occur when approximately 0.32 pints (150 ml) of water accumulates in the module. If you allow the water level to exceed this level, the water may pass through to the engine and may cause fuel injection equipment damage. Draining the Diesel Fuel Conditioner Module (DFCM) WARNING Your vehicle must be stopped with the engine off when draining the Diesel Fuel Conditioner Module. Fuel may ignite if the separator is drained while the engine is running or vehicle is moving. Note: If you drain the diesel fuel conditioner module while the system is running air will enter into the fuel system. The engine will not operate properly if air enters the system. Note: With fuel tank levels above 3⁄4 tank it may be necessary to loosen the bowl 3 turns before opening the drain. This will actuate an anti-siphon valve at the fuel and water separator inlet and prevent the fuel from siphoning out of the tank. Note: A loose drain valve can allow air to enter the fuel system and cause drivetrain issues. The engine will not operate properly. Be sure that you fully tighten the drain valve. 1. Stop your vehicle and shut off the engine. 2. Locate the diesel fuel conditioner module and place an appropriate container under the drain port. Fuel And Water Separator Your vehicle is equipped with a diesel fuel conditioner module located on the frame-rail under the driver-side floorboard near the transmission. 16 Super Duty (TFA)

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Diesel Fuel Additives
It should not be necessary to add any
aftermarket additives to your fuel if you
use a high quality diesel fuel that conforms
to ASTM industry specifications.
Aftermarket additives can damage the fuel
injector system or engine.
Use Motorcraft® cetane booster or an
equivalent cetane booster additive if you
suspect fuel has low cetane. Use
Motorcraft® anti-gel & performance
improver or an equivalent additive if there
is fuel gelling.
Do not use alcohol-based additives to
improve cetane quality, to prevent fuel
gelling or any other use. The use of alcohol
additives may result in damage to the fuel
injectors and system. See
Technical
Specifications
(page 56).
Your warranty may not cover repairs
needed to correct the effects of using an
aftermarket product that does not meet
Ford specifications in your fuel.
Note:
Ultra Low Sulfur Diesel fuel is
designed to meet the emissions standards
for the 6.7L engine and is backward
compatible as well (for example, it can be
used in the 7.3L, 6.9L, 6.4L and 6.0L diesel
engines in Ford vehicles.
Fuel And Water Separator
Your vehicle is equipped with a diesel fuel
conditioner module located on the
frame-rail under the driver-side floorboard
near the transmission.
You should drain water from the
module assembly whenever the
warning light comes on and the
message center directs you to drain the
water separator. This will occur when
approximately 0.32 pints (150 ml) of water
accumulates in the module. If you allow
the water level to exceed this level, the
water may pass through to the engine and
may cause fuel injection equipment
damage.
Draining the Diesel Fuel Conditioner
Module (DFCM)
WARNING
Your vehicle must be stopped with
the engine off when draining the
Diesel Fuel Conditioner Module. Fuel
may ignite if the separator is drained while
the engine is running or vehicle is moving.
Note:
If you drain the diesel fuel conditioner
module while the system is running air will
enter into the fuel system. The engine will
not operate properly if air enters the system.
Note:
With fuel tank levels above 3±4 tank
it may be necessary to loosen the bowl 3
turns before opening the drain. This will
actuate an anti-siphon valve at the fuel and
water separator inlet and prevent the fuel
from siphoning out of the tank.
Note:
A loose drain valve can allow air to
enter the fuel system and cause drivetrain
issues. The engine will not operate properly.
Be sure that you fully tighten the drain valve.
1.
Stop your vehicle and shut off the
engine.
2.
Locate the diesel fuel conditioner
module and place an appropriate
container under the drain port.
16
Super Duty (TFA)
Fuel and Refueling