2003 TOYOTA TUNDRA fuel type

’03 TUNDRA_U (L/O 0307)
312
2003 TUNDRA from Jul. ’03 Prod. (OM 34430U)
Model:
5VZ− FE and 2UZ −FE
Type: 5VZ− FE engine
6 cylinder V type, 4 cycle, gasoline
2UZ− FE engine
8 cylinder V type, 4 cycle, gasoline
Bore and stroke, mm (in.): 5VZ− FE engine
93.5 82.0 (3.68 3.23)
2UZ− FE engine
94.0 84.0 (3.70 3.31)
Displacement, cm
3 (cu. in.):
5VZ− FE engine 3378 (206.1)
2UZ− FE engine 4664 (284.6)Fuel type:
Unleaded gasoline, Octane Rating 87
(Research Octane Number 91) or higher
Fuel tank capacity, L (gal., Imp. gal.): 100 (26.4, 22.0) ENGINE
Valve clearance (engine cold), mm (in.):
5VZ− FE engine
Intake 0.13—0.23 (0.006—0.009)
Exhaust 0.27—0.37 (0.011—0.014)
2UZ− FE engine
Intake 0.15—0.25 (0.006—0.010)
Exhaust 0.25—0.35 (0.010—0.014)
Spark plug type: 5VZ− FE engine
DENSO K16TR11
NGK BKR5EKB11
2UZ− FE engine
DENSO K20R−U
NGK BKR6EYA
Spark plug gap, mm (in.): 5VZ− FE engine 1.1 (0.043)
2UZ− FE engine 0.8 (0.031)
Drive belt tension measured with Bor-
roughs drive belt tension gauge
No. BT− 33−73F (used belt), lbf:
5VZ− FE engine
Generator belt 100 20
Air conditioning compressor belt 100 20
Power steering pump belt
100
+20
15
Engine FuelService specifications

’03 TUNDRA_U (L/O 0307)
317
2003 TUNDRA from Jul. ’03 Prod. (OM 34430U)
Engine compartment (5VZFE engine)
Instrument panel
Fuses (type A)
1. MIR HTR 15 A: Outside rear view mir-
ror heaters
2. FOG 15 A: Front fog lights
3. TOW BRK 30 A: Trailer brake control-
ler
4. SUB BATT 30 A: Trailer sub battery
5. TOW TAIL 30 A: Trailer lights (tail
lights)
6. PWR OUTLET 1 15 A: Power outlet
7. ECUB 5 A: Anti−lock brake system
8. HLP RH 10 A: Right−hand headlight
(high beam) 9. PWR OUTLET 2 15 A:
Power outlet
10. DOME 10 A: Interior light, personal
lights, vanity light, ignition switch light,
step light, door courtesy lights, open
door warning light
11. HLP LH 10 A : Left−hand headlight
(high beam)
12. EFI NO.2 10 A: Multiport fuel injection
system/s equential multiport fuel injec-
tion system, emission control system
13. RADIO 20 A: Audio system
14. HEAD RL 10 A (with daytime running light system): Right−hand headlight
(low beam)
15. A/C 10 A: Air conditioning system
16. HEAD LL 10 A (with daytime running light system): Left−hand headlight (low
beam)
17. ALTS 7.5 A: Charging system
18. ETCS 10 A (2UZFE engine): Multiport
fuel injection system/sequential multi-
port fuel injection system, electronic
throttle control system
19. HAZ 15 A: Emergency flashers
20. EFI NO.1 20 A: Multiport fuel injection
system/s equential multiport fuel injec-
tion system, fuel pump, “EFI NO.2”
fuse

’03 TUNDRA_U (L/O 0307)
318
2003 TUNDRA from Jul. ’03 Prod. (OM 34430U)
21. AM2 30 A: Ignition system, starting
system, “IGN” and “STA” fuses
22. TOWING 30 A: Towing converter
23. ETCS 15 A (5VZFE engine): Multiport
fuel injection system/sequential multi-
port fuel injection system, electronic
throttle control system
24. WIP 20 A: Windshield wipers and
washer
25. TURN 5 A: Turn signal lights
26. ECU IG 5 A: Anti−lock brake system,
cruise control system
27. 4WD 20 A: Four−wheel drive control
system, A.D.D. control system
28. ACC 15 A: Cigarette lighter, audio sys-
tem, SRS airbag system, power rear
view mirrors, “PWR OUTLET 1” and
“PWR OUTLET 2” fuses
29. GAUGE 10 A: Gauges and meters,
back −up lights, starting system, air
conditioning system
30. IGN 5 A: SRS airbag system, multiport
fuel injection system/sequential multi-
port fuel injection system, discharge
warning light, ignition system
31. CARGO LP 5 A: Cargo lamp 32. TAIL 15 A:
Tail lights, license plate
lights, instrument panel lights, parking
lights, glove box light
33. OBD 7.5 A: On−board diagnosis sys-
tem
34. HORN 10 A: Horns
35. STA 5 A: Multiport fuel injection sys-
tem/sequential multiport fuel injection
system, gauges and meters
36. STOP 15 A: Stoplights, high mounted
stoplight
Fuses (type B)
37. AM1 40 A: Starting system, “ACC”,
“WIP”, “4WD”, “ECU −IG”, “GAUGE” and
“TURN” fuses
38. HTR 50 A: Air conditioning system,
“A/C” fuse
39. J/B 50 A: “POWER”, “CARGO LP”,
“TAIL”, “OBD”, “HORN” and “STOP”
fuses
40. ABS 2 40 A: Anti−lock brake system
41. ABS 3 30 A: Anti−lock brake system
42. ST3 30 A: Starting system, “STA” fuse
43. POWER 30 A: Power door lock sys-
tem, power windows, power seat Fuse (type C)
44. FL ALT 100 A (without towing pack- age) or 140 A (with towing package):
“AM1”, “HTR”, “J/B”, “MIR HTR”,
“FOG”, “TOW BRK”, “SUB BATT”,
“TOW TAIL”, “PWR OUTLET 1” and
“PWR OUTLET 2” fuses

’03 TUNDRA_U (L/O 0307)
2003 TUNDRA from Jul. ’03 Prod. (OM 34430U)
Publication No. OM34430U
Part No. 01999-34430
Printed in Japan 01−0307 −00
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 ( U)
Quick index
If a service reminder indicator or warning buzzer comes on NO TAG . . . .
 If your vehicle will not start NO TAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 If your engine stalls while driving NO TAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 If your vehicle overheats NO TAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
.
 If you have a flat tire NO TAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . .
 If your vehicle needs to be towed NO TAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 Tips for driving during break −in period NO TAG . . . . . . . . . . . . . . . . . . . . . . . . .
 How to start the engine NO TAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. .
 General maintenance NO TAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . .
 Complete index NO TAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . .
Gas station information
Fuel type:
UNLEADED gasoline, Octane Rating 87 (Research Octane Number 91)
or higher
See page NO TAG for detailed information.
Fuel tank capacity: 100 L (26.4 gal., 22.0 lmp. gal.)
Engine oil:
API grade SL “Energy −Conserving” or ILSAC multigrade engine oil is recom-
mended.
See page NO TAG for detailed information.
Automatic transmission fluid: Toyota Genuine ATF Type T −IV
See page NO TAG for detailed information.
Tire information: See pages 286 through NO TAG.
Tire inflation pressure: See page NO TAG.
sU −8
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