nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Compression Check > < Spark Plug|Specifications|Page 3815
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extended highway driving

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frequent high engine revolution

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Do not use a wire brush for cleaning.

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If plug tip is covered with carbon, spark plug cleaner may be used.
Cleaner air pressure: Less than 588 kPa (6 kg/cm2, 85 psi) 
Cleaning time: Less than 20 seconds

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Checking and adjusting plug gap is not required between change intervals.

Compression Check > < Spark Plug|Specifications|Page 3815