Inspection After Removal

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

Do not use a wire brush for cleaning.
If plug tip is covered with carbon, spark plug cleaner may be used.
Cleaner air pressure: Less than 588 kPa (6 kg/cm ² , 85 psi)

Cleaning time: Less than 20 seconds

Fig 1: Caution For Cleaning Spark Plug
Courtesy of NISSAN NORTH AMERICA, INC.
Checking and adjusting plug gap is not required between change intervals.

Fig 2: Caution For Adjusting Spark Plug Gap
Courtesy of NISSAN NORTH AMERICA, INC.