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Ford F 250 Instruction Manual

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    							biodiesel content, try another brand, or
    discontinue using biodiesel. Do not use
    alcohol based additives to correct fuel
    gelling. This may result in damage to the
    fuel injectors and system. Use the proper
    anti-gel and performance improvement
    product.  See Capacities and
    Specifications (page 428).
    Your vehicle has a fuel and water separator
    that recirculates fuel from the engine to
    help prevent fuel filter clogging. To avoid
    engine fuel starvation during cold weather
    operation of 
    32°F (0°C) or below, we
    recommend that the fuel level in your tank
    should not drop below ¼ full. This helps
    prevent air from entering the fuel system
    and stalling the engine.
    Your vehicle has a selective catalytic
    reduction system that uses Diesel Exhaust
    Fluid (DEF) to operate properly. You need
    to replenish your vehicle ’s DEF at certain
    intervals. When filling your vehicle ’s DEF
    tank in cold weather, take special care to
    prevent damage to the tank.  See
    Selective Catalytic Reduction System
    (page 
    188).
    In cold weather below 
    32°F (0°C), the
    engine may slowly increase to a higher idle
    speed if you leave it idling in park (P). As
    the engine warms-up, the engine sound
    level decreases due to the activation of
    PCM-controlled sound reduction features.
    If you operate your vehicle in a heavy
    snowstorm or blowing snow conditions,
    snow and ice can clog the engine air
    induction. If this occurs, the engine may
    experience a significant reduction in power
    output. At the earliest opportunity, clear
    all the snow and ice away from inside the
    air filter assembly. Remove the air cleaner
    cover and the air filter and remove any
    snow or ice. Remove any debris, snow or
    ice, on the foam filter by brushing the
    surface with a soft brush. Once you have
    cleared all of the debris, reinstall the air
    filter and cover. Do not use water, solvents, or a hard brush
    for cleaning the foam filter. WARNING
    To reduce the risk of vehicle damage
    and personal burn injuries, do not
    start your engine with the air cleaner
    removed and do not remove it while the
    engine is running. In order to operate the engine in
    temperatures of 32°F (0°C) or lower, read
    the following instructions:
    •
    Make sure that the batteries are of
    sufficient size and are fully charged.
    Check other electrical components to
    make sure they are in optimum
    condition.
    • Use the proper coolant solution at the
    concentration recommended
    protecting the engine against damage
    from freezing.
    • Try to keep the fuel tank full as much
    as possible at the end of operation to
    prevent condensation in the fuel
    system.
    • Make sure you use proper cold weather
    engine oil and that it is at its proper
    level. Also, if necessary, make sure to
    follow the engine oil and filter change
    schedule found under the Special
    operating conditions section listed in
    the scheduled maintenance
    information.
    • At temperatures of 
    -9°F (-23°C) or
    below, it is recommended that you use
    an engine block heater to improve cold
    engine starting.
    • If operating in arctic temperatures of
    -20°F (-29°C)
     or lower, consult your
    truck dealer for information about
    special cold weather equipment and
    precautions.
    178
    Super Duty (TFE) Canada/United States of America, enUSA, First Printing Starting and Stopping the Engine 
    						
    							We recommend the following cold
    weather idling guidelines:
    •
    You can use Motorcraft® cetane
    improvers or non-alcohol-based
    cetane improvers from a reputable
    manufacturer as needed.
    • Maintain the engine cooling system
    properly.
    • Avoid shutting the engine down after
    an extensive idling period. Drive your
    vehicle for several miles with the
    engine at normal operating
    temperatures under a moderate load.
    • Consider using an engine block heater.
    • For extended idle times use an
    approved idle speed increase device.
    Winter Operating Tips for Arctic
    Operation -20°F (-29°C) and Below
    The following information is a guideline
    only and is not to be the only source of
    possible solutions in resolving extreme
    cold temperature issues.
    Starting Aids WARNING
    Do not use starting fluid, for example
    ether, in the air intake system. Such
    fluid could cause immediate
    explosive damage to the engine and
    possible personal injury. The use of the factory engine block heater
    assists in engine starting in extreme cold
    ambient temperatures  See Engine Block
    Heater (page 181). Idle Control
    Your vehicle may have a factory option for
    a stationary elevated idle control through
    the upfitter switches in the overhead
    console. This allows the operator to
    elevate the idle RPM for extended idle
    periods, as well as aftermarket equipment
    such as PTO operation. You must configure
    this feature even if ordered from the
    factory. See your authorized dealer for
    required upfitting.
    Operation in Snow and Rain
    Vehicle operation in heavy snowfall or
    extreme rain conditions may feed
    excessive amounts of snow or water into
    the air intake system. This could plug the
    air filter with snow and may cause the
    engine to lose power and possibly shut
    down.
    We recommend the following actions after
    operating your vehicle up to 
    200 mi
    (320 km) in snowfall or extreme rain:
    • Snow: At the earliest opportunity, open
    the hood and clear all the snow and ice
    from the air filter housing inlet (do not
    remove the foam filter) and reset the
    air filter restriction gauge.
    Note: Removal of the foam filter degrades
    your vehicle performance during snow and
    hot weather conditions.
    • Extreme rain: The air filter dries after
    about 15– 30 minutes at highway
    speeds. At the earliest opportunity,
    open the hood and reset the air filter
    restriction gauge.
    Refer to Air filter and restriction gauge in
    the Maintenance chapter for more
    information.  See 
    Changing the Engine
    Air Filter (page 354).
    179
    Super Duty (TFE) Canada/United States of America, enUSA, First Printing Starting and Stopping the Engine 
    						
    							Operation in Standing Water
    Ingestion of water into the diesel engine
    can result in immediate and severe
    damage to the engine. If driving through
    water, slow down to avoid splashing water
    into the intake. If the engine stalls, and you
    suspect ingestion of water into the engine,
    do not try to restart the engine. Consult
    your dealer for service immediately.
    Your fuel tank vents to the atmosphere by
    valves on top of the tank and through the
    fuel cap. If water reaches the top of the
    tank, the valves may pull water into the
    fuel tank. Water in the fuel can cause
    performance issues and damage the fuel
    injection system.
    DIESEL PARTICULATE FILTER
    The filter forms part of the emissions
    reduction system on your vehicle. It filters
    harmful diesel particulates (soot) from the
    exhaust gas.
    Regeneration
    WARNING
    Do not park or idle your vehicle over
    dry leaves, dry grass or other
    combustible materials. The
    regeneration process creates very high
    exhaust gas temperatures and the exhaust
    will radiate a considerable amount of heat
    during and after regeneration and after you
    have switched the engine off. This is a
    potential fire hazard. Note:
    Avoid running out of fuel.
    Note: During regeneration at low speed or
    engine idle, you may smell a hot metallic
    odor and could notice a clicking metallic
    sound. This is due to the high temperatures
    reached during regeneration and is normal. Note:
    Changes in the engine or exhaust
    sound may be heard during the regeneration
    process.
    The diesel particulate filter on your vehicle
    requires periodic regeneration to maintain
    its correct function. Your vehicle will carry
    out this process automatically.
    If your journeys meet one of the following
    conditions:
    • You drive only short distances.
    • You frequently switch the ignition on
    and off.
    • Your journeys contain a high level of
    acceleration and deceleration.
    You must carry out occasional trips with
    the following conditions to assist the
    regeneration process:
    • Drive your vehicle in more favorable
    conditions, which you will find at higher
    vehicle speeds in normal driving, on a
    main road or freeway for a minimum
    of 20 minutes. This drive may include
    short stops that will not affect the
    regeneration process.
    • Avoid prolonged idling and always
    observe speed limits and road
    conditions.
    • Do not switch the ignition off.
    • Select a suitable gear to ideally
    maintain engine speed between 1500
    and 3000 RPM.
    SWITCHING OFF THE ENGINE
    - 6.7L DIESEL
    Switch the ignition off.
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    							To help prolong engine life, we
    recommended you allow the engine to idle
    for three to five minutes, especially after
    any of the following:
    •
    Continuous engine speed.
    • High ambient temperature.
    • High GVW or GCW operation, for
    example heavy loads or trailers.
    This allows the turbo charged engine to
    cool down.
    ENGINE IDLE SHUTDOWN (If
    Equipped)
    Your vehicle may be equipped with an
    engine idle shutdown system. This system
    automatically shuts down your engine
    when it has been idling in 
    P (Park) or N
    (Neutral) for five minutes (parking brake
    set) or 15 minutes (parking brake not set).
    When the engine idle shutdown process
    has started:
    • A chime sounds and the information
    display will show ENGINE TURNS OFF
    IN 30 (seconds) and start counting
    down
    • You can restart the five or 15-minute
    timer 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 this message
    will appear in your information display
    ENGINE TURNED OFF
    • One minute after the engine has shut
    down, the electrical system simulates
    key off, even though the ignition is still
    in the on position, initiating normal
    accessory delay period
    • You must move the ignition to the off
    position to reset the system before
    restarting your vehicle. The engine idle shutdown idle timer does
    not start if:
    •
    The engine is operating in power
    take-off mode.
    • The engine coolant temperature is
    below 60°F (16°C).
    • The exhaust emission control device is
    regenerating.
    ENGINE BLOCK HEATER
     (If
    Equipped) WARNINGS
    Failure to follow engine block heater
    instructions could result in property
    damage or serious personal injury.
    Do not use your heater with
    ungrounded electrical systems or
    two-pronged adapters. There is a risk
    of electrical shock. Note:
    The heater is most effective when
    outdoor temperatures are below 0°F
    (-18°C).
    The heater acts as a starting aid by
    warming the engine coolant. This allows
    the climate control system to respond
    quickly. The equipment includes a heater
    element (installed in the engine block) and
    a wire harness. You can connect the
    system to a grounded 120-volt AC
    electrical source.
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    							We recommend that you do the following
    for a safe and correct operation:
    •
    Make sure your vehicle is parked in a
    clean area, clear of combustibles.
    • locate the block heater cord in the front
    tow hook pocket.
    • Use a 16-gauge outdoor extension cord
    that is product certified by
    Underwriter ’s Laboratory (UL) or
    Canadian Standards Association
    (CSA). This extension cord must be
    suitable for use outdoors, in cold
    temperatures, and be clearly marked
    Suitable for Use with Outdoor
    Appliances. Do not use an indoor
    extension cord outdoors. This could
    result in an electric shock or become a
    fire hazard.
    • Use as short an extension cord as
    possible.
    • Do not use multiple extension cords.
    • Make sure that when in operation, the
    extension cord plug and heater cord
    plug connections are free and clear of
    water. This could cause an electric
    shock or fire.
    • Make sure the heater, heater cord and
    extension cord are firmly connected.
    • Check for heat anywhere in the
    electrical hookup once the system has
    been operating for approximately 30
    minutes. •
    Make sure the system is unplugged and
    properly stowed before starting and
    driving your vehicle. Make sure the
    protective cover seals the prongs of the
    block heater cord plug when not in use.
    • Make sure the heater system is
    checked for proper operation before
    winter.
    Using the Engine Block Heater
    Make sure the receptacle terminals are
    clean and dry prior to use. Clean them with
    a dry cloth if necessary.
    The heater uses 0.4 to 1.0 kilowatt-hours
    of energy per hour of use. The system does
    not have a thermostat. It achieves
    maximum temperature after
    approximately three hours of operation.
    Using the heater longer than three hours
    does not improve system performance and
    unnecessarily uses electricity.
    182
    Super Duty (TFE) Canada/United States of America, enUSA, First Printing Starting and Stopping the EngineE236180  
    						
    							SAFETY PRECAUTIONS
    WARNINGS
    Do not overfill the fuel tank. The
    pressure in an overfilled tank may
    cause leakage and lead to fuel spray
    and fire. The fuel system may be under
    pressure. If you hear a hissing sound
    near the fuel filler inlet, do not refuel
    until the sound stops. Otherwise, fuel may
    spray out, which could cause serious
    personal injury. Automotive fuels can cause serious
    injury or death if misused or
    mishandled.
    Flow of fuel through a fuel pump
    nozzle can produce static electricity.
    This can cause a fire if you are filling
    an ungrounded fuel container. Fuel may contain benzene, which is
    a cancer-causing agent.
    When refueling always shut the
    engine off and never allow sparks or
    open flames near the fuel tank filler
    valve. Never smoke or use a cell phone
    while refueling. Fuel vapor is extremely
    hazardous under certain conditions. Avoid
    inhaling excess fumes. Observe the following guidelines when
    handling automotive fuel:
    •
    Extinguish all smoking materials and
    any open flames before refueling your
    vehicle.
    • Always turn off the vehicle before
    refueling. •
    Automotive fuels can be harmful or
    fatal if swallowed. Fuel such as
    gasoline is highly toxic and if
    swallowed can cause death or
    permanent injury. If fuel is swallowed,
    call a physician immediately, even if no
    symptoms are immediately apparent.
    The toxic effects of fuel may not be
    visible for hours.
    • Avoid inhaling fuel vapors. Inhaling too
    much fuel vapor of any kind can lead
    to eye and respiratory tract irritation.
    In severe cases, excessive or prolonged
    breathing of fuel vapor can cause
    serious illness and permanent injury.
    • Avoid getting fuel liquid in your eyes. If
    fuel is splashed in the eyes, remove
    contact lenses (if worn), flush with
    water for 15 minutes and seek medical
    attention. Failure to seek proper
    medical attention could lead to
    permanent injury.
    • Fuels can also be harmful if absorbed
    through the skin. If fuel is splashed on
    the skin, clothing or both, promptly
    remove contaminated clothing and
    wash skin thoroughly with soap and
    water. Repeated or prolonged skin
    contact with fuel liquid or vapor causes
    skin irritation.
    • Be particularly careful if you are taking
    Antabuse or other forms of Disulfiram
    for the treatment of alcoholism.
    Breathing gasoline vapors could cause
    an adverse reaction, serious personal
    injury or sickness. If fuel is splashed on
    the skin, wash the affected areas
    immediately with plenty of soap and
    water. Consult a physician immediately
    if you experience any adverse reactions.
    183
    Super Duty (TFE) Canada/United States of America, enUSA, First Printing Fuel and Refueling 
    						
    							FUEL QUALITY - GASOLINE
    Choosing the Right Fuel
    We recommend regular unleaded gasoline
    with a minimum pump (R+M)/2 octane
    rating of 87. Some fuel stations offer fuels
    posted as regular unleaded gasoline with
    an octane rating below 87, particularly in
    high altitude areas. We do not recommend
    fuels with an octane rating below 87.
    Do not use any fuel other than those
    recommended because they could lead to
    engine damage that may not be covered
    by the vehicle Warranty.
    Note:
    Use of any fuel other than those
    recommended can impair the emission
    control system and cause a loss of vehicle
    performance.
    Do not use:
    • Diesel fuel.
    • Fuels containing kerosene or paraffin.
    • Fuel containing more than 15% ethanol
    or E85 fuel.
    • Fuels containing methanol.
    • Fuels containing metallic-based
    additives, including manganese-based
    compounds.
    • Fuels containing the octane booster
    additive, methylcyclopentadienyl
    manganese tricarbonyl (MMT).
    • Leaded fuel (using leaded fuel is
    prohibited by law). The use of fuels with metallic compounds
    such as methylcyclopentadienyl
    manganese tricarbonyl (commonly known
    as MMT), which is a manganese-based
    fuel additive, will impair engine
    performance and affect the emission
    control system.
    Do not be concerned if the engine
    sometimes knocks lightly.  However, if the
    engine knocks heavily while using fuel with
    the recommended octane rating, contact
    an authorized dealer to prevent any engine
    damage.
    FUEL QUALITY - E85
    Choosing the Right Fuel - Flex Fuel
    Vehicles
    Flex fuel vehicles have one of the following
    identifiers:
    •
    Yellow fuel filler cap.
    • Yellow bezel around the fuel filler inlet.
    • Yellow fuel filler housing.
    • Yellow E85 label on the fuel tank filler
    door. Your vehicle is designed to operate on
    regular unleaded gasoline with a minimum
    pump (R+M)/2 octane rating of 87 or
    regular unleaded gasoline blended with a
    maximum of 85% ethanol (E85).
    184
    Super Duty (TFE) Canada/United States of America, enUSA, First Printing Fuel and RefuelingE161513 E161513  
    						
    							Some fuel stations, particularly those in
    high altitude areas, offer fuels posted as
    regular unleaded gasoline with an octane
    rating below 87. We do not recommend
    these fuels.
    For best overall vehicle and engine
    performance, premium fuel with an octane
    rating of 91 or higher is recommended. The
    performance gained by using premium fuel
    is most noticeable in hot weather as well
    as other conditions, for example when
    towing a trailer.  See Towing (page 268).
    Do not use any fuel other than those
    recommended because they could lead to
    engine damage that will not be covered by
    the vehicle Warranty.
    Note: Use of any fuel other than those
    recommended can impair the emission
    control system and cause a loss of vehicle
    performance.
    Do not use:
    • Diesel fuel.
    • Fuels containing kerosene or paraffin.
    • Fuels containing more than 85%
    ethanol or E100 fuel.
    • Fuels containing methanol.
    • Fuels containing metallic-based
    additives, including manganese-based
    compounds.
    • Fuels containing the octane booster
    additive, methylcyclopentadienyl
    manganese tricarbonyl (MMT).
    • Leaded fuel (using leaded fuel is
    prohibited by law).
    The use of fuels with metallic compounds
    such as methylcyclopentadienyl
    manganese tricarbonyl (commonly known
    as MMT), which is a manganese-based
    fuel additive, will impair engine
    performance and affect the emission
    control system. Do not be concerned if the engine
    sometimes knocks lightly.  However, if the
    engine knocks heavily while using fuel with
    the recommended octane rating, contact
    an authorized dealer to prevent any engine
    damage.
    Switching Between E85 and
    Gasoline
    We do not recommend repeatedly
    alternating between E85 and gasoline. If
    you switch from using E85 to gasoline, or
    from gasoline to E85, add as much fuel as
    possible, at least half a tank. Drive your
    vehicle immediately for a minimum of 5 mi
    (8 km)
     to allow it to adapt to the change
    in ethanol concentration. If you use E85
    exclusively, we recommend that you fill
    the fuel tank with regular unleaded
    gasoline at each scheduled oil change.
    FUEL QUALITY - DIESEL
    Fuel Requirements - Choosing The
    Right Fuel: Vehicles Operated
    Where Ultra Low Sulfur Diesel Fuel
    Is Required (United
    States/Canada/Puerto Rico/U.S.
    Virgin Islands And Other Locales)
    You should use Ultra-Low Sulfur Diesel
    fuel (also known as ULSD) designated as
    number 1-D or 2-D with a maximum of
    15-ppm sulfur in your diesel vehicle. You
    may operate your vehicle on diesel fuels
    containing up to 20% biodiesel, also
    known as B20. These fuels should meet
    the ASTM D975 diesel or the ASTM D7467
    B6-B20 biodiesel industry specifications.
    Outside of North America, use fuels
    meeting EN590 or equivalent local market
    standard.
    Note: The vehicle Warranty does not cover
    damage caused by using an improper type
    of fuel or fuel additive.
    185
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    							Note:
    Do not blend used engine oil with
    diesel fuel under any circumstances.
    Blending used oil with the fuel will
    significantly increase your vehicle ’s exhaust
    emissions and reduce engine life due to
    increased internal wear. Using low sulfur diesel fuel
    (16-500 ppm) or high sulfur
    diesel fuel (greater than 500
    ppm) in your diesel engine will cause
    certain emission components to
    malfunction which may also cause the
    service engine soon light to illuminate
    indicating an emissions-related concern.
    Diesel fuel is adjusted seasonally for cold
    temperature. For best results at
    temperatures below 19°F (-7°C), it is
    recommended to use a diesel fuel which
    has been seasonally adjusted for the
    ambient conditions.
    Fuel Requirements - Choosing The
    Right Fuel: Vehicles Operated
    Where Ultra Low Sulfur Diesel Fuel
    Is Not Required
    For the engine to operate reliably on
    low-sulfur or high-sulfur diesel fuel, the
    engine must be a factory built high-sulfur
    engine (available as a dealer order option
    for select markets) or an ultra low sulfur
    diesel fuel configured engine that has been
    retrofitted for high-sulfur diesel fuel using
    Ford Motor Company dealer service parts.
    Failure to use retrofit components other
    than those available through your
    authorized dealer will result in coolant
    system damage, engine overheating,
    selective catalyst reduction system or
    diesel particulate filter damage and
    possible base engine damage. Use only a diesel engine configured for use
    with high sulfur diesel fuel in markets with
    diesel fuel that has sulfur content greater
    than 15 ppm. Using low sulfur diesel fuel
    (16–500 ppm) or high sulfur diesel fuel
    (greater than 500 ppm) in a diesel engine
    designed to use only Ultra Low Sulfur
    Diesel fuel may result in damage to engine
    emission control devices and the
    aftertreatment system, potentially
    rendering the vehicle inoperable.
    Vehicles with engines configured for use
    with high sulfur diesel fuel are only
    available for sale in countries where ultra
    low sulfur diesel fuel is generally not
    available or mandated by the government.
    Vehicles originally sold in a ultra low sulfur
    diesel fuel market that are subsequently
    exported to non- ultra low sulfur diesel fuel
    markets will need to be retrofitted (at the
    customer
    ’s expense using Ford authorized
    dealer service parts) in order to be reliably
    operated on non- ultra low sulfur diesel
    fuel.
    Biodiesel WARNINGS
    Do not use home heating oil,
    agricultural fuel, raw fats and oils,
    waste cooking greases, biodiesel
    fuels greater than 20% or any diesel fuel
    not intended for highway use. Damage to
    the fuel injection system, engine and
    exhaust catalyst can occur if an improper
    fuel is used. Do not add gasoline, gasohol
    or alcohol to diesel fuel. This practice
    creates a serious fire hazard and engine
    performance problems. Do not mix diesel fuel with gasoline,
    gasohol or alcohol. This could cause
    an explosion resulting in personal
    injury.
    186
    Super Duty (TFE) Canada/United States of America, enUSA, First Printing Fuel and Refueling  
    						
    							WARNINGS
    Do not add gasoline, gasohol or
    alcohol to diesel fuel. This practice
    creates a serious fire hazard resulting
    in personal injury and engine performance
    problems. Do not use home heating oil or any
    diesel fuel not intended for highway
    use. Damage to the fuel injection
    system, engine, exhaust catalyst and diesel
    particulate filter can occur if an improper
    fuel is used. Red dye is used to identify
    fuels intended for agricultural and
    non-highway use. You may operate your vehicle on diesel
    fuels containing up to 20% biodiesel, also
    known as B20.
    Biodiesel fuel is a chemically converted
    product from renewable fuel sources, such
    as vegetable oils, animal fats and waste
    cooking greases.
    To help achieve acceptable engine
    performance and durability when using
    biodiesel in your vehicle:
    •
    Confirm the biodiesel content of the
    fuel to be B20 (20% biodiesel) or less
    • Only use biodiesel fuel of good quality
    that complies with industry standards
    • Follow the recommended service
    maintenance intervals.  See
    Scheduled Maintenance (page 567).
    • Do not store biodiesel fuel in the fuel
    tank for more than 1 month
    • Consider changing brands or reducing
    biodiesel content if you have cold
    temperature fuel gelling issues or a
    frequent LOW FUEL PRESSURE
    message appearing
    • Do NOT use raw oils, fats or waste
    cooking greases Use of biodiesel in concentrations greater
    than 20% may cause damage to your
    vehicle, including engine and/or exhaust
    after-treatment hardware (exhaust
    catalyst and particulate filter) failures.
    Concentrations greater than 20% can also
    cause fuel filter restrictions that may result
    in a lack of power or damage to fuel
    system components, including fuel pump
    and fuel injector failures.
    SAE 5W-40 or SAE 15W-40 oil is
    recommended for fuels with greater than
    5% biodiesel (B5). Refer to the Special
    operating conditions section under the
    Schedule Maintenance chapter for more
    information about oil change intervals and
    other maintenance when operating on
    biodiesel.
    Look for a label on the fuel pump to
    confirm the amount of biodiesel contained
    in a diesel fuel. Biodiesel content is often
    indicated with the letter B followed by the
    percent of biodiesel in the fuel. For
    example, B20 indicates a fuel containing
    20% biodiesel. Ask the service station
    attendant to confirm the biodiesel content
    of a diesel fuel if you do not see a label on
    the fuel pump.
    Biodiesel fuels degrade more easily than
    diesel fuels not containing biodiesel and
    should not be stored in the fuel tank for
    more than 1 month. If you plan to park or
    store your vehicle for more than 1 month,
    then you should empty your vehicle fuel
    tank of biodiesel fuel. You should fill the
    tank with a pure petroleum-based diesel
    fuel and run your vehicle for a minimum of
    30 minutes.
    Note:
    Degraded or oxidized biodiesel can
    damage fuel system seals and plastics and
    corrode steel parts.
    During cold weather, if you have problems
    operating on biodiesel, you may need to
    use a diesel fuel with lower biodiesel
    content, try another brand, or discontinue
    the use of biodiesel.
    187
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