2003 FORD MUSTANG fuel

SPORT INSTRUMENT CLUSTER
Upshift (if equipped)
Illuminates when it is best to shift to the next
highest manual transmission gear for the maximum
fuel economy.
Cobra unique standard features
6

Item Description
ConfigurationLongitudinally mounted,
90-degree V8, cast iron
cylinder block and cast
aluminum cylinder heads
Bore x Stroke90.2 x 90.0 mm (3.55 x 3.54
in)
Displacement4601 cc/280 cid
Compression ratio8.5:1
Horsepower239 kW @ 6000 rpm (390 HP
@ 6000 rpm)
Torque430 Nm @ 4800 rpm (390
lb.-ft. @ 4750 rpm)
Redline6500 rpm (fuel shut-off at
7000 rpm)
Specific output84.8 HP per liter
ValvetrainDual overhead chain-driven
cams, roller finger followers
with hydraulic lash
adjustment, ovate-wire valve
springs, four valves per
cylinder
Fuel systemSequential electronic fuel
injection
Mass air sensor90 mm (3.54 in) diameter
Throttle bodyTwin 57 mm (2.24 in)
diameter bore-simultaneously
open
Exhaust manifoldsCast-high silicon,
molybdenum iron
Exhaust systemDual-stainless steel
Engine/Transmission
8

MOTORCRAFT PART NUMBERS
Component 4.6L DOHC Supercharged
V8 engine
Air filter element FA-1632
Fuel filter FG-800A
Battery BXT-59
Oil filter FL-820S
PCV valve EV-153
Spark plugs* AGSF-12FM1
* Refer to Vehicle Emissions Control Information
(VECI) decal for spark plug gap information.
REFILL CAPACITIES
Fluid Ford Part Name Capacity
Brake fluid Motorcraft High
Performance DOT
3 Motor Vehicle
Brake FluidFill to line on
reservoir
Engine oil
(includes filter
change)Motorcraft SAE
5W-20 Super
Premium Motor
Oil5.7L (6.0 quarts)
Engine coolant
1Motorcraft
Premium Engine
Coolant
(green-colored) or
Motorcraft
Premium Gold
Engine Coolant
(yellow-colored)15.2L (16.1
quarts)
Power steering
fluidMotorcraft
MERCONAT FFill to between
MIN and MAX
lines on reservoir
Rear axle lubricant
2Motorcraft SAE
75W-140 High
Performance
Synthetic Rear
Axle Lubricant1.4L (2.9 pints)
Fuel tank N/A 59.4L (15.7
gallons)
Maintenance
14

OCTANE RECOMMENDATIONS
Your vehicle is designed
to use“Premium”
unleaded gasoline with
an (R+M)/2 octane
rating of 91 or higher for optimum performance. The
use of gasolines with lower octane ratings may
degrade performance. We do not recommend the
use of gasolines labeled as“Premium”in high
altitude areas that are sold with octane ratings of
less than 91.
If your engine knocks under most driving conditions
while you are using fuel with the recommended
octane rating, see your dealer or a qualified service
technician to prevent any engine damage.
CHECKING ENGINE COOLANT
The concentration and level of engine coolant should
be checked at the mileage intervals listed in the
scheduled maintenance guide. The coolant
concentration should be maintained at 50/50 coolant
and water, which equates to a freeze point of -36°C
(-34°F). Coolant concentration testing is possible
with a hydrometer or antifreeze tester (such as the
Rotunda Battery and Antifreeze Tester,
0014–R1060). The level of coolant should be
maintained at the“cold full”of“cold fill range”level
in the coolant reservoir. If the level falls below, add
coolant per the instructions in theAdding Engine
Coolantsection.
Your vehicle was factory-filled with a 50/50 engine
coolant and water concentration. If the
concentration of coolant falls below 40% or above
60%, the engine parts could become damaged or not
work properly.A50–50 mixture of coolant and
water provides the following:
•freeze protection down to -36°C (-34°F).
•boiling protection up to 129°C (265°F).
•protection against rust and other forms of
corrosion.
91(R+M)/2 METHOD
Maintenance
16