octane FORD F250 1996 Owners Manual

313
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[SV07500( ALL)05/95]
Choosing the Right Fuel
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[SV07550( EF )05/94]
NOTE: Read the7.3L Diesel Engine Owner
Guide Supplementfor information
regarding correct fuel requirements for
your diesel-powered vehicle.
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[SV07600( ALL)05/95]
Use only UNLEADED FUEL in your vehicle.
Using leaded fuel is prohibited by federal law.
Your warranty may not apply if your vehicle is
damaged because you used the wrong fuel.
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[SV07700( ALL)05/95]
Vehicle inspection programs may detect
misfueling. Under these circumstances, you may
be required by law to make costly repairs at
your own expense.
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[SV08710( ALL)04/95]
Octane recommendations
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[SV08725( ALL)04/95]
Your vehicle is designed to use regular
unleaded fuel with an octane rating of 87.In
most cases, it is not necessary to use a fuel with
an octane rating higher than 87. At service
stations, the octane rating is displayed on a label
on the pumps.
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[SV08900( ALL)05/95]
one inch art:0060001-C
Typical octane rating label
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[SV09050( ALL)05/95]
In some parts of the country, ªregularº grade
fuels are sold with octane ratings of 86 or even
less, especially in high altitude areas. We
recommend that you do not use these fuels.
Always use a fuel with an octane rating of 87,
even if it is sold as a ªmidgradeº or ªpremium.º
File:ltsvf.ex
Update:Thu May 9 15:30:19 1996
ProCarManuals.com

314
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[SV09200( ALL)05/95]
Do not be concerned if your vehicle sometimes
knocks lightly when you drive up a hill or when
you accelerate. However, if a fuel with the
recommended octane rating knocks heavily
under all driving conditions or knocks lightly
driving at cruising speed on level roads, see
your dealer or a qualified service technician.
Persistent, heavy knocking can damage the
engine.
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[SV09435( ALL)05/95]
Fuel quality
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[SV09450( ALL)05/95]
If you are experiencing starting, rough idle or
hesitation problems when the engine is cold, it
may be caused by fuel with low volatility. Try a
different brand of fuel. If the condition persists,
see your dealer or a qualified service technician.
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[SV09452( ALL)05/95]
Using a high-quality fuel makes your vehicle
more responsive and maintains its good fuel
economy and emissions by:
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[SV09455( ALL)05/95]
q
protecting your fuel system from rusting.
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[SV09460( ALL)05/95]
q
preventing the fuel lines from freezing.
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[SV09465( ALL)05/95]
q
improving vehicle starting and warm-up.
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[SV09470( ALL)05/95]
q
protecting the fuel system from vapor lock in
very hot weather, which causes the engine to
hesitate or stall and makes restarts difficult.
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[SV09475( ALL)05/95]
q
minimizing deposits in fuel injectors,
combustion chambers, and on intake valves.
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[SV09480( ALL)05/95]
q
preventing your fuel system from ªgumming
upº when your vehicle is not used for long
periods of time.
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[SV09485( ALL)05/95]
q
preventing your engine from knocking and
pinging.
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[SV09500( ALL)05/95]
It should not be necessary to add any
aftermarket products to your fuel tank if you
continue to use a high-quality fuel.
File:ltsvf.ex
Update:Thu May 9 15:30:19 1996
ProCarManuals.com