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Wiring diagrams Section: Ignition System

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Ignition System (MZI-3.7): Diagnosis Mazda CX-9 I

Ignition System

Spark Plug Gap Inspection

CAUTION

To avoid possible damage to the tip, do not adjust the plug gap. To prevent damaging the tip, use a wire type plug gap gauge when inspecting the plug gap.

Measure the spark plug gap using a wire type plug gap gauge. If not within the specification, replace the spark plug. Spark plug gap 1.29-1.45 mm {0.051-0.057 in}