ENGINE DATA
Engine 5.4L V8 engine
Cubic inches 330
Required fuel 87 octane
Firing order 1-3-7-2-6-5-4-8
Ignition system Coil on plug
Spark plug gap
10.040–0.050 inch (1.02–1.27 mm)
Compression ratio 9.85:1
1Spark plug gap not adjustable
Engine drivebelt routing
•5.4L V8 Engine
2008 Navigator(nav)
Owners Guide (post-2002-fmt)
USA(fus)
Maintenance and Specifications
342
Family entertainment system ....35
Floor mats .................................118
Fluid capacities .........................339
Foglamps .....................................72
Four-Wheel Drive vehicles .......256
control trac .............................256
description ..............................256
driving off road .......................257
indicator light .........................256
preparing to drive your
vehicle .....................................246
Fuel ............................................323
calculating fuel
economy ..........................109, 328
cap ...........................................325
capacity ...................................339
choosing the right fuel ...........326
comparisons with EPA fuel
economy estimates .................331
detergent in fuel .....................327
filling your vehicle
with fuel ..................323, 325, 328
filter, specifications ........323, 338
fuel pump shut-off switch .....267
improving fuel economy ........328
octane rating ...................327, 342
quality ......................................327
running out of fuel .................327
safety information relating to
automotive fuels .....................323
Fuses ..................................268–269
G
Gas cap (see Fuel cap) ............325
Gas mileage
(see Fuel economy) .................328
Gauges .........................................17
H
Hazard flashers .........................266Headlamps ...................................72
aiming ........................................74
autolamp system .......................72
bulb specifications ....................77
daytime running lights .............73
flash to pass ..............................73
high beam .................................73
turning on and off ....................72
Homelink wireless control
system ........................................102
Hood ..........................................309
I
Ignition ...............................232, 342
Illuminated visor mirror .............85
Infant seats
(see Safety seats) .....................184
Inspection/maintenance (I/M)
testing ........................................333
Instrument panel
cleaning ...................................304
cluster ........................................12
J
Jack ............................................275
positioning ...............................275
storage .....................................275
Jump-starting your vehicle ......284
K
Keyless entry system ...............137
autolock ...................................124
keypad .....................................137
locking and unlocking doors ..138
programming entry code .......137
Keys ...................................138–140
positions of the ignition .........232
2008 Navigator(nav)
Owners Guide (post-2002-fmt)
USA(fus)
Index
349
