Operation CHARM
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Isuzu Truck
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1999
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Rodeo LS 4WD V6-3.2L
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Spark Plug
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Testing and Inspection
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Spark Plug Gap Check
Spark Plug Gap Check
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Check the gap of all
spark plugs
before installation.
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Use a round wire feeler gauge to ensure an accurate check.
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Plugs installed with the wrong gap can cause poor engine performance and excessive emissions.