Toyota Tundra 2005 Service - Repair - Maintenance page 2110

IG−2
IGNITION (1GR−FE) − IGNITION SYSTEM
(c) Using a 16 mm (0.63 in.) plug wrench, install the spark
plugs.
Torque: 18 N m (184 kgf cm, 13 ft lbf)
(d) Install the ignition coils.
Torque: 10 N m (102 kgf cm, 7 ft lbf)
2. INSPECT SPARK PLUGS
(a) Clean the spark plugs.
Air pressure: Below 588 kPa (6 kg/cm
Duration: 20 seconds or less
IG0152
(b) Check the spark plug for any damage to its thread and in-
sulator.
If there is damage, replace the spark plug.
Recommended spark plug:
NGK made
DENSO made
P03783
(c) Adjust electrode gap.
Electrode gap: 1.0 to 1.1 mm (0.039 to 0.043 in.)
Maximum electrode gap: 1.46 mm (0.057 in.)
P03792
2
, 85 psi)
LFR6C−11
K20HR−U11