XJR (X300) L6-4.0L SC (AJ16) (1995)
Spark Plug: Technical Service Bulletins
Spark Plugs - Change to Hotter Plugs
05.1-07
Sedan Range
DATE
2/95
Amended 12/98
MODEL 1995-97 MY
Sedan (4.0L) Range
VIN 720001-812255
Spark Plugs - AJ16 Engine -
Change in Specification
ISSUE:
* The spark plug specification is updated on all AJ16 (4.0L) Sedan Range vehicles to include supercharged engines.
Hotter spark plugs (part number EBC 8143) were installed on supercharged engines in production from 1997 MY. *
ACTION:
Use the following spark plugs as service replacements in all AJ16 engines:
ENGINE
PART NUMBER PLUG GAP
TORQUE
AJ16 (4.0L)
EBC 8143
0.9 mm (0.035 in)
22-28 Nm (17-20 lb ft)