Toyota Tundra 2005 Service - Repair - Maintenance page 2123

IGNITION (2UZ−FE) − IGNITION SYSTEM
(c) Clean the spark plugs.
If the electrode has traces of wet carbon, allow it to dry and then
clean with a spark plug cleaner.
Air pressure: Below 588 kPa (6 kgf/cm
Duration: 20 seconds or less
HINT:
If there are traces of oil, remove it with gasoline before using the
spark plug cleaner.
IG0152
(d) Check the spark plug for thread damage and insulator
damage.
If abnormal, replace the spark plug.
Recommended spark plug:
DENSO made
NGK made
IG0148
(e) Adjust the spark plug electrode gap.
Electrode gap: 1.0 to 1.1 mm (0.039 to 0.043 in.)
(f) Using a 16 mm plug wrench, install the spark plugs.
Torque: 17.5 N·m (180 kgf·cm, 13 ft·lbf)
(g) Reinstall the ignition coils (with igniter).
(see page IG−6)
P03792
IG−3
2
, 85 psi)
SK20R11
IFR6A11