2003 HONDA ACCORD SEDAN spark plugs

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6-cylinder Models
Maint enance258
Canadian Owners U.S. Owners A, B, C, D, E
AB
C
D E
Use the Maintenance Schedule for Severe Conditions.
Refer to page to determine which schedule to use.
3,750 mi/6,000 km
7,500 mi/12,000 km
11,250 mi/18,000 km
15,000 mi/24,000 km/1 yr
18,750 mi/30,000 km
22,500 mi/36,000 km
26,250 mi/42,000 km
30,000 mi/48,000 km/2 yrs
33,750 mi/54,000 km
37,500 mi/60,000 km
41,250 mi/66,000 km
3yrs
45,000 mi/72,000 km/3 yrs
48,750 mi/78,000 km
52,500 mi/84,000 km
56,250 mi/90,000 km
60,000 mi/96,000 km/4 yrs
60,000 mi/96,000 km/4 yrs,
then replace every 30,000mi/
48,000 km/2 yrs
63,750 mi/102,000 km
67,500 mi/108,000 km
71,250 mi/114,000 km
75,000 mi/120,000 km/5 yrs
78,750 mi/126,000 km Do item in A.
Do items in A, E.
Do item in A.
DoitemsinA,B,E.
Do item in A.
Do items in A, E.
Do item in A.
DoitemsinA,B,D,E.
Do item in A.
Do items in A, E.
Do item in A.
Replace brake fluid (independent of mileage).
DoitemsinA,B,E.
Do item in A.
Do items in A, E.
Do item in A.
DoitemsinA,B,D,E. Replace automatic transmission fluid.
Do item in A.
Do items in A, E.
Do item in A.
DoitemsinA,B,E.
Do item in A. Replace engine oil and oil filter.
Replace air cleaner element.
Lubricate all hinges, locks, and latches.
Check parking brake adjustment.
Inspect brake hoses and lines (including ABS).
Check all fluid levels, condition of fluids, and check
for leaks.
Inspect exhaust system.
Inspect fuel lines and connections.
Check all lights.
Inspect the underbody.
Replace spark plugs.
Inspect valve clearance. Replace timing belt and inspect water pump.
Inspect drive belt.
Replace dust and pollen filter .
Inspect front and rear brakes.
Rotate tires (follow pattern on page 306).
Inspect tie rod ends, steering gear box, and boots.
Inspect suspension components.
Inspect drive shaft boots.
Service at the indicated distance or time, whichever comes first. Do the items in
as required for each distance/time interval.
248
See information on maintenance and emissions warranty, last
column, page .
See timing belt on page for replacement information under
special driving conditions.
See dust and pollen filter on page for replacement
information under special driving conditions.
Check engine oil and coolant at each fuel stop.
Check and adjust valve clearance, cold engine, only if noisy.
NOTE: :
1:
2: 249
302
300
1
2
Maintenance Schedule for Severe Conditions (listed by distance/time)

Clean the hood latch assembly with a
mild cleaner, then lubricate it with a
multipurpose grease. Lubricate all
the moving parts (as shown),
including the pivot. Follow the time
and distance recommendations in
the Maintenance Schedule. If you
are not sure how to clean and grease
the latch, contact your Honda dealer.Remove the f our nuts with a
wrench, then remove the coil
cover.
The spark plugs in your car are a
special iridium-tipped design f or
longer lif e. The spark plugs should
be replaced according to the distance
recommendation in the maintenance
schedule.
1.
CONT INUED
ReplacementSpark Plugs
Hood L atch
Hood L atch, Spark Plugs (4-cylinder Models)
Maint enance289
PIVOTS
LATCH ASSEMBLY NUTS
NUTS
COIL COVER

Clean up any dirt and oil that have
collected around the ignition coils.
Use a wrench to remove the bolt
holding the ignition coil. Pull the
ignition coil up slightly.
Disconnect the wire connector
f rom the ignition coil by pushing
on the lock tab and pulling on the
connector. Pull on the plastic
connector, not the wires.Remove the ignition coil.
Remove the spark plug with
a f ive-eighths inch (16 mm) spark
plug socket.
Torque the spark plug. (If you do
not have a torque wrench, tighten
the spark plug two-thirds of a turn
after it contacts the cylinder head.)
Tightening torque:
Put the new spark plug into the
socket, then screw it into the hole.
Screw it in by hand so you do not
crossthread it.
5.
2.
4. 3. 6.
7.8.
Spark Plugs (4-cylinder Models)
Maint enance290
BOLT
CONNECTOR
IGNITION COIL LOCK TAB
13 lbf·ft (18 N·m , 1.8 kgf·m)

Install the ignition coil into the
hole.
Connect the wire connector to the
ignition coil. Make sure it locks in
place.
Push the ignition coil down all the
way. Install the bolt.
Repeat this procedure f or the
other three spark plugs.
Reinstall the coil cover, and
tighten the f our nuts.The spark plugs in your car are a
special iridium-tipped design f or
longer lif e. The spark plugs should
be replaced according to the distance
recommendation in the maintenance
schedule.
9.
10.
11.
12.
13. NGK:
DENSO:
NGK:
DENSO:
On some models
CONT INUED
Specif ications:
Spark Plugs (6-cylinder Models)
Spark Plugs (4-cylinder Models), Spark Plugs (6-cylinder Models)
Maint enance291
IZFR6K-11
SKJ20DR-M11
IZFR6K-13
SKJ20DR-M13
Tighten the spark plugs caref ully. A
spark plug that is too loose can
overheat and damage the engine.
Overtightening can cause damage to
the threads in the cylinder head.

Disconnect the wire connector
f rom the ignition coil by pushing
on the lock tab and pulling on the
connector. Pull on the plastic
connector, not the wires.Remove the spark plug with
a f ive-eighths inch (16 mm) spark
plug socket. Use a wrench to remove the
hexagonsocketheadcapbolt
holding the ignition coil. Remove
the ignition coil by pulling it
straight out.
Loosen the two holding clips by
turning the heads one-quarter turn
counterclockwise with a f lat-tipped
screwdriver. Remove the cover on
the f ront cylinder bank by pulling
it straight up. Cleanoffanydirtandoilthathas
collected around the ignition coil.
1.
2.
3.4.
5.
Replacement
Spark Plugs (6-cylinder Models)
Maint enance292
HOLDING CLIP CONNECTOR
HEXAGON SOCKET HEAD CAP BOLT
IGNITION COIL

Torque the spark plug. (If you do
not have a torque wrench, tighten
the spark plug two-thirds of a turn
af ter it contacts the cylinder head.)
Tightening torque: Put the new spark plug into the
socket, then screw it into the hole.
Screw it in by hand so you do not
crossthread it.Install the ignition coil. Reinstall
the hexagon socket head cap bolt.Push the wire connector onto the
ignition coil. Make sure it locks in
place.
Reinstall the cover on the front
cylinder bank while putting its
mounting clip in the hole on the
passenger’s side. Secure the cover
by turning the heads of the two
holding clips one-quarter turn
clockwise with a f lat-tipped
screwdriver. Repeat this procedure f or the
other f ive spark plugs.
NGK:
DENSO:
6.
7.
8.9.
10.
11.
Specif ications:
Spark Plugs (6-cylinder Models)
Maint enance293
13 lbf·ft (18 N·m , 1.8 kgf·m) IZFR6K-11
SKJ20DR-M11
Tighten the spark plugs caref ully. A
spark plug that is too loose can
overheat and damage the engine.
Overtightening can cause damage to
the threads in the cylinder head.

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CONT INUED
Specif ications
T echnical Inf ormation365
Fuses Battery Lights
Alignment Engine3.43 x 3.9 in (87.0 x 99.0 mm)143.6 cu-in (2,354 cm
)
12 V 60 W (HB3)
12 V 51 W (HB4)
12 V 24/2.2 CP
9.7 : 1
3.39 x 3.39 in (86.0 x 86.0 mm)
182.8 cu-in (2,997 cm)
10 : 1
12 V
12 V
12 V
12 V 12 V
12 V
12 V 21 W
21/5 W
3CP
21 W
21 W
3CP
8W
Interior
Under-hood 52 AH/5 HR 38 AH/5 HR
12 V
12 V
Capacity 12 V 12 V
12 V
1.1 W
2CP
5W 8W
8W
12 V 12 V
Headlights
Front turn signal/
Front parking lights
Rear turn signal lights
Stop/Taillights
Taillights
High-mount brake light
Back-up lights
License plate light
Ceiling light
Spotlights
Spotlights/Front ceiling lights
Trunk light
Door courtesy light
Vanity mirror lights
Toe-in
Camber
Caster Type
BorexStroke
Displacement
Compression ratio
Spark plugs
0.00 in (0.0 mm)
0.08 in (2.0 mm)0°1°
3°15’
See page 357or the fuse label
attached to the inside of the fuse
box door on each side of the
dashboard.
See page 356or the fuse box
cover. See spark plug maintenance sec-
tion pages 291 and 293 .
Water cooled 4-stroke, DOHC
i-VTEC 4-cylinder, SOHC VTEC
6-cylinder (V6), gasoline engine
Front
Rear
Front
Rear
Front
High
Low
4-cylinder
6-cylinder
1: LX
2: EX (Amber)
3 : 6-cylinder models33
3
1
2

Î
..............
Panel Brightness Control . 69
........................
Park Gear Position .224
...........................................
Parking .228
...............................
Parking Brake .102
.................................
Parking Lights .58
..
Parking Over Things that Burn . 373
.............................
PGM-FI System .372
..................
Polishing and Waxing . 327
...................................
Pollen Filter .300
............
Pre-Drive Saf ety Checklist . 11
.........
Pregnancy, Using Seat Belts . 19
............................
Protecting Adults .12
...
Additional Safety Precautions . 20
.....
Advice f or Pregnant Women . 19
........................
Protecting Children .21
.......................
Protecting Inf ants .30
.......
Protecting Larger Children . 36
.........
Protecting Small Children . 33
Using Child Seats with .....................................
Tethers .39
.................................
Using LATCH .40 ...................
Radiator Overheating . 345
Radio/CD Sound .......................
System .134, 150,169
..
Rear Lights, Bulb Replacement . 318
..........................
Rear Seat Armrest .93
..........................
Rear Seat, Folding .92
..........................
Rear View Mirror .101
.................
Rear Window Def ogger . 72
.........
Reclining the Seat Backs . 87,90
.......
Recommended Shif t Speeds . 222
.............................
Reminder Lights .57
.......................
Remote Transmitter .80
Replacement Inf ormation .................
Air Cleaner Element . 286
.......................................
Coolant .275
................
Engine Oil and Filter . 270
..........................................
Fuses .354
................................
Light Bulbs .312
....................................
Schedule .250
.......................
Spark Plugs .289, 292
...........................................
Tires .306
.............................
Wiper Blades .297
Replacing Seat Belts Af ter a ............................................
Crash .44 .................
Reserve Tank, Coolant . 210
...............................
Restraint, Child .21
..................
Reverse Gear Position . 224
................................
Rotation, Tire .306
........................................
Saf ety Belts .8
.........
Safety Defects, Reporting . 380
.................................
Saf ety Features .7
...........................................
Airbags .9
..................................
Door Locks .11
..........................
Head Restraints .11
.......................................
Seat Belts .8
..................
Seats and Seat-Backs . 10
.............
Saf ety Labels, Location of . 53
...............................
Saf ety Messages .ii
...........................................
Seat Belts .8
...............
Additional Information . 42
Automatic Seat Belt ...............................
Tensioners .43
.....................................
Cleaning .329
......................
Lap/Shoulder Belt .42
................................
Maintenance .44
Reminder Light and ................................
Beeper .42, 58
Index
R
S
P
VI