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If theindicator remains on, have your vehicle serviced at the first
available opportunity. Although some malfunctions detected by the
OBD-II may not have symptoms that are apparent, continued driving
with the
indicator on can result in increased emissions, lower fuel
economy, reduced engine and transmission smoothness, and lead to more
costly repairs.
Readiness for Inspection/Maintenance (I/M) testing
Some state/provincial and local governments may have
Inspection/Maintenance (I/M) programs to inspect the emission control
equipment on your vehicle. Failure to pass this inspection could prevent
you from getting a vehicle registration. Your vehicle may not pass the I/M
test if the
indicator is on or not working properly (bulb is burned
out), or if the OBD-II system has determined that some of the emission
control systems have not been properly checked. In this case, the vehicle
is considered not ready for I/M testing.
If the
indicator is on or the bulb does not work, the vehicle may
need to be serviced. Refer to the On board diagnostics (OBD-II)
description in this chapter.
If the vehicle’s engine or transmission has just been serviced, or the
battery has recently run down or been replaced, the OBD-II system may
indicate that the vehicle is not ready for I/M testing. To determine if the
vehicle is ready for I/M testing, turn the ignition key to the ON position
for 15 seconds without cranking the engine. If the
indicator blinks
eight times, it means that the vehicle is not ready for I/M testing; if
the
indicator stays on solid, it means that the vehicle is ready for
I/M testing.
The OBD-II system is designed to check the emission control system
during normal driving. A complete check may take several days. If the
vehicle is not ready for I/M testing, the following driving cycle consisting
of mixed city and highway driving may be performed:
15 minutes of steady driving on an expressway/highway followed by 20
minutes of stop-and-go driving with at least four 30-second idle periods.
Allow the vehicle to sit for at least eight hours without starting the
engine. Then, start the engine and complete the above driving cycle. The
engine must warm up to its normal operating temperature. Once started,
do not turn off the engine until the above driving cycle is complete. If
the vehicle is still not ready for I/M testing, the above driving cycle will
have to be repeated.
2008 Crown Victoria(cro)
Owners Guide (post-2002-fmt)
USA(fus)
Maintenance and Specifications
259
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5. Install a new air filter element. Be
careful not to crimp the filter
element edges between the air filter
housing and cover. This could cause
filter damage and allow unfiltered
air to enter the engine if not
properly seated.
6. Replace the air filter housing cover and secure the clamps.
7. Replace the air inlet tube and secure the clamp.
Note:Be sure the hinge features of the air filter cover to the air filter
housing are fully engaged when reassembling the air filter assembly.
Note:Failure to use the correct air filter element may result in severe
engine damage. The customer warranty may be void for any damage to
the engine if the correct air filter element is not used.
MOTORCRAFT PART NUMBERS
Component 4.6L SOHC V8
engine4.6L FFV SOHC V8
engine
Air filter element FA-1032 FA-1032
Fuel filter FG-986B FG-986B
Battery-standard BXT-65–650 BXT-65–650
Battery-heavy duty BXT-65–750 BXT-65–750
Oil filter FL-820-S FL-820-S
PCV valve
11
Spark plugs22
1
The PCV valve is a critical emission component. It is one of the items
listed inscheduled maintenance informationand is essential to the
life and performance of your vehicle and to its emissions system.
For PCV valve replacement, see your authorized dealer. Refer to
scheduled maintenance informationfor the appropriate intervals for
changing the PCV valve.
2008 Crown Victoria(cro)
Owners Guide (post-2002-fmt)
USA(fus)
Maintenance and Specifications
264
Page 273 of 280

For maximum vehicle performance, keep the following information in
mind when adding accessories or equipment to your vehicle:
•When adding accessories, equipment, passengers and luggage to your
vehicle, do not exceed the total weight capacity of the vehicle or of
the front or rear axle (GVWR or GAWR as indicated on the Safety
Compliance Certification label). Consult your authorized dealer for
specific weight information.
•The Federal Communications Commission (FCC) and Canadian Radio
Telecommunications Commission (CRTC) regulate the use of mobile
communications systems — such as two-way radios, telephones and
theft alarms - that are equipped with radio transmitters. Any such
equipment installed in your vehicle should comply with FCC or CRTC
regulations and should be installed only by a qualified service
technician.
•Mobile communications systems may harm the operation of your
vehicle, particularly if they are not properly designed for automotive
use.
•To avoid interference with other vehicle functions, such as anti-lock
braking systems, amateur radio users who install radios and antennas
onto their vehicle should not locate the Amateur Radio Antennas in
the area of the driver’s side hood.
•Electrical or electronic accessories or components that are added to
the vehicle by the authorized dealer or the owner may adversely affect
battery performance and durability.
2008 Crown Victoria(cro)
Owners Guide (post-2002-fmt)
USA(fus)
Accessories
273
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A
ABS (see Brakes) .....................181
Air cleaner filter ...............263–264
Air conditioning ..........................35
Air suspension ...........................186
description ..............................186
Airbag supplemental restraint
system ................................121, 130
and child safety seats ............123
description ......................121, 130
disposal ....................................133
driver airbag ....................123, 131
indicator light .................130, 132
operation .........................123, 131
passenger airbag .............123, 131
side airbag ...............................130
Antifreeze
(see Engine coolant) ................241
Anti-lock brake system
(see Brakes) ..............................181
Anti-theft system ..................95, 99
arming the system ..................100
disarming a triggered
system .....................................100
Audio system
(see Radio) ................18, 20, 23, 28
Automatic transmission
driving an automatic
overdrive .................................189
fluid, adding ............................261
fluid, checking ........................261
fluid, refill capacities ..............266
fluid, specification ..................266
Auxiliary power point .................62
Axle
lubricant specifications ..........266
refill capacities ........................266traction lok ..............................186
B
Battery .......................................239
acid, treating emergencies .....239
jumping a disabled battery ....211
maintenance-free ....................239
replacement, specifications ...264
servicing ..................................239
Belt-Minder.............................116
Booster seats .............................134
Brakes ................................180–181
anti-lock ...................................181
anti-lock brake system (ABS)
warning light ...........................182
fluid, checking and adding ....261
fluid, refill capacities ..............266
fluid, specifications .................266
lubricant specifications ..........266
shift interlock ..................187–188
Bulbs ............................................44
C
Capacities for refilling fluids ....266
Cell phone use ..............................7
Child safety restraints ..............133
child safety belts ....................133
Child safety seats ......................137
attaching with tether straps ..141
in front seat ............................138
in rear seat ..............................138
Child safety seats - booster
seats ...........................................134
Cleaning your vehicle
engine compartment ..............226
instrument panel ....................228
interior .....................................229
2008 Crown Victoria(cro)
Owners Guide (post-2002-fmt)
USA(fus)
Index
274