Spark plugs

Be sure the engine and ignition switch are off and that the parking brake is engaged securely.

Be sure to use the correct socket to remove the spark plugs. An incorrect socket can damage the spark plugs.
See also:
Self-test feature
The ABS includes electronic sensors, electric
pumps, hydraulic solenoids and a computer. The
computer has a built-in diagnostic feature that
tests the system each time you start the engine
and mov ...
Exterior
The four-door Pathfinder displays a typical SUV appearance overall, but it
has a neatly tapered rear end. Built on a 106.3-inch wheelbase, it has an
overall length of 182.7 inches — that’s nea ...
General maintenance
During the normal day-to-day operation of the
vehicle, general maintenance should be performed
regularly as prescribed in this section. If
you detect any unusual sounds, vibrations or
smell, b ...
