Spark Plug - Interchangeability
90isuzu03 BULLETIN NUMBER SB90-01-003ISSUE DATE June 14, 1990
GROUP ENGINE
TROOPER II (KT) V6 ENGINE SPARK PLUGS INTERCHANGEABILITY
AFFECTED VEHICLES
All Trooper II (KT) models equipped with V6 engine.
SERVICE INFORMATION
Beginning in February 1989 production, a different part No. spark plug was installed in affected vehicles. However, either plug can be used in any year V6 engine. Choice of plug should be based on the following driving and climate conditions: