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Spark Plug - Interchangeability

90isuzu03 BULLETIN NUMBER SB90-01-003
ISSUE 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:
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