Frontier 2WD V6-3.3L (VG33E) (2003)
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Do not use a wire brush for cleaning.
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If plug tip is covered with carbon, spark plug cleaner may be used.
Cleaner air pressure Less than 588 kPa (6 kg/cm2, 85 psi)
Cleaning time Less than 20 seconds
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Checking and adjusting plug gap is not required between spark plug change intervals.
Spark plug (Double Platinum-tipped) Gap (Nominal) 1.1 mm (0.043 inch)
When installing spark plugs to No. 2 and 4 cylinders, securely fit each ignition wire mounting hole onto the ignition wire fixing pin.
Spark plug: 20 - 29 Nm (2.0 - 3.0 kg-m, 14 - 22 ft. lbs.)