Vitara JLX (2Dr) 4WD L4-2.0L (2001)
Spark Plug: Testing and Inspection
Inspection
INSPECTION
Inspect them for electrode wear, carbon deposits and Insulator damage.
If any abnormality is found, adjust air gap clean with spark plug cleaner or replace them with specified new plug.
Spark plug air gap "a" 1.0 - 1.1 mm (0.039 - 0.043 in.)
Spark plug type:
DENSO SK16PR11/SK20PR11/K20PR-U11
NGK BKR6E11/*FR5J11/EFR6J11
NOTE: Under -25 °C (-13 °F), the spark plugs with an asterisk (*) are highly recommend for better engine starting performance.